diff --git a/src/helpers/extract-expressions.js b/src/helpers/extract-expressions.js
index f90f62e3..10122fae 100644
--- a/src/helpers/extract-expressions.js
+++ b/src/helpers/extract-expressions.js
@@ -2,9 +2,9 @@ import isLiteralOrSpecial, { isLiteralOrSpecialNode } from "./is-literal-or-spec
 import last from "./last";
 import * as t from "babel-types";
 
-function addClosureVar(expression, closureVars) {
+function addClosureVar(expression, closureVars, defaultName) {
   const init = expression.node;
-  const id = expression.scope.generateUidIdentifierBasedOnNode(init);
+  const id = expression.scope.generateUidIdentifierBasedOnNode(init, defaultName);
 
   closureVars.push({ id, init });
   return id;
@@ -74,7 +74,7 @@ const expressionExtractor = {
   JSXSpreadAttribute(path) {
     const { closureVarsStack } = this;
     const argument = path.get("argument");
-    const id = addClosureVar(argument, last(closureVarsStack));
+    const id = addClosureVar(argument, last(closureVarsStack), "spread");
     argument.replaceWith(id)
   },
 
@@ -89,7 +89,7 @@ const expressionExtractor = {
 
     // Only call defer JSX Children Expressions
     if (!path.parentPath.isJSXElement()) {
-      expression.replaceWith(addClosureVar(expression, closureVars));
+      expression.replaceWith(addClosureVar(expression, closureVars, path.parentPath.node.name.name));
       return;
     }
 
@@ -105,7 +105,7 @@ const expressionExtractor = {
 
     // Exit early if there's nothing to defer.
     if (deferred.length === 0) {
-      expression.replaceWith(addClosureVar(expression, closureVars));
+      expression.replaceWith(addClosureVar(expression, closureVars, "child"));
       return;
     }
 
diff --git a/test/fixtures/attributes/jsx-element-computed-attr/expected.js b/test/fixtures/attributes/jsx-element-computed-attr/expected.js
index cb445edc..3801e890 100644
--- a/test/fixtures/attributes/jsx-element-computed-attr/expected.js
+++ b/test/fixtures/attributes/jsx-element-computed-attr/expected.js
@@ -6,8 +6,8 @@ var _jsxWrapper = function _jsxWrapper(func, args) {
   };
 };
 
-var _span$wrapper = function _span$wrapper(_ref) {
-  return elementVoid("span", null, null, "attr", _ref);
+var _span$wrapper = function _span$wrapper(_attr) {
+  return elementVoid("span", null, null, "attr", _attr);
 };
 
 function render() {
diff --git a/test/fixtures/attributes/jsx-element-computed-child/expected.js b/test/fixtures/attributes/jsx-element-computed-child/expected.js
index 58fdebf6..5b3f5c86 100644
--- a/test/fixtures/attributes/jsx-element-computed-child/expected.js
+++ b/test/fixtures/attributes/jsx-element-computed-child/expected.js
@@ -37,10 +37,10 @@ var _renderArbitrary = function _renderArbitrary(child) {
   }
 };
 
-var _span$wrapper = function _span$wrapper(_ref) {
+var _span$wrapper = function _span$wrapper(_child) {
   elementOpen("span");
 
-  _renderArbitrary(_ref);
+  _renderArbitrary(_child);
 
   return elementClose("span");
 };
diff --git a/test/fixtures/attributes/nested-element-in-attribute/expected.js b/test/fixtures/attributes/nested-element-in-attribute/expected.js
index 5be60b6f..8fafa5c4 100644
--- a/test/fixtures/attributes/nested-element-in-attribute/expected.js
+++ b/test/fixtures/attributes/nested-element-in-attribute/expected.js
@@ -38,9 +38,9 @@ var _renderArbitrary = function _renderArbitrary(child) {
 };
 
 var _span$statics = ["key", ""],
-    _li$wrapper = function _li$wrapper(_file$name, _file, _ref, _file$name2) {
+    _li$wrapper = function _li$wrapper(_file$name, _file, _onclick, _file$name2) {
   elementOpen("li");
-  elementOpen("span", _file$name, (_span$statics[1] = _file$name, _span$statics), "file", _file, "onclick", _ref);
+  elementOpen("span", _file$name, (_span$statics[1] = _file$name, _span$statics), "file", _file, "onclick", _onclick);
 
   _renderArbitrary(_file$name2);
 
diff --git a/test/fixtures/call-expression-defer/wrapper/logical/expected.js b/test/fixtures/call-expression-defer/wrapper/logical/expected.js
index 42616fce..9fc2cbc6 100644
--- a/test/fixtures/call-expression-defer/wrapper/logical/expected.js
+++ b/test/fixtures/call-expression-defer/wrapper/logical/expected.js
@@ -37,16 +37,16 @@ var _renderArbitrary = function _renderArbitrary(child) {
   }
 };
 
-var _div$wrapper = function _div$wrapper(_deferred, _b, _deferred2, _b2, _ref, _ref2, _deferred3, _b3, _deferred4, _b4, _deferred5, _b5, _deferred6, _b6) {
+var _div$wrapper = function _div$wrapper(_deferred, _b, _deferred2, _b2, _child, _child2, _deferred3, _b3, _deferred4, _b4, _deferred5, _b5, _deferred6, _b6) {
   elementOpen("div");
 
   _renderArbitrary(_b == 0 ? _deferred : _deferred());
 
   _renderArbitrary(_b2 == 0 ? _deferred2 : _deferred2());
 
-  _renderArbitrary(_ref);
+  _renderArbitrary(_child);
 
-  _renderArbitrary(_ref2);
+  _renderArbitrary(_child2);
 
   _renderArbitrary(_b3 == 0 ? _deferred3 : _deferred3());
 
diff --git a/test/fixtures/eager-expressions/non-root/expected.js b/test/fixtures/eager-expressions/non-root/expected.js
index db00f990..70eec9e9 100644
--- a/test/fixtures/eager-expressions/non-root/expected.js
+++ b/test/fixtures/eager-expressions/non-root/expected.js
@@ -37,19 +37,19 @@ var _renderArbitrary = function _renderArbitrary(child) {
   }
 };
 
-var _test$wrapper = function _test$wrapper(_ref, _ref2, _ref3, _ref4, _ref5, _ref6) {
-  elementOpen("div", null, null, "attr", _ref);
-  elementOpen("div", null, null, "first", _ref2);
+var _test$wrapper = function _test$wrapper(_attr, _first, _child, _child2, _second, _child3) {
+  elementOpen("div", null, null, "attr", _attr);
+  elementOpen("div", null, null, "first", _first);
 
-  _renderArbitrary(_ref3);
+  _renderArbitrary(_child);
 
   elementClose("div");
 
-  _renderArbitrary(_ref4);
+  _renderArbitrary(_child2);
 
-  elementOpen("div", null, null, "second", _ref5);
+  elementOpen("div", null, null, "second", _second);
 
-  _renderArbitrary(_ref6);
+  _renderArbitrary(_child3);
 
   elementClose("div");
   return elementClose("div");
diff --git a/test/fixtures/eager-expressions/root-nested-function/expected.js b/test/fixtures/eager-expressions/root-nested-function/expected.js
index ba8af5ef..9063dccc 100644
--- a/test/fixtures/eager-expressions/root-nested-function/expected.js
+++ b/test/fixtures/eager-expressions/root-nested-function/expected.js
@@ -44,10 +44,10 @@ var _map$wrapper = function _map$wrapper(_i) {
 
   return elementClose("map");
 },
-    _div$wrapper = function _div$wrapper(_ref, _ref2) {
-  elementOpen("div", null, null, "first", _ref);
+    _div$wrapper = function _div$wrapper(_first, _child) {
+  elementOpen("div", null, null, "first", _first);
 
-  _renderArbitrary(_ref2);
+  _renderArbitrary(_child);
 
   return elementClose("div");
 };
diff --git a/test/fixtures/expression-children/14/expected.js b/test/fixtures/expression-children/14/expected.js
index 60b38724..94a73da5 100644
--- a/test/fixtures/expression-children/14/expected.js
+++ b/test/fixtures/expression-children/14/expected.js
@@ -37,10 +37,10 @@ var _renderArbitrary = function _renderArbitrary(child) {
   }
 };
 
-var _span$wrapper = function _span$wrapper(_i, _ref, _i2) {
+var _span$wrapper = function _span$wrapper(_i, _child, _i2) {
   elementOpen("span", null, null, "attr", _i);
 
-  _renderArbitrary(_ref);
+  _renderArbitrary(_child);
 
   _renderArbitrary(_i2);
 
diff --git a/test/fixtures/expression-children/9/expected.js b/test/fixtures/expression-children/9/expected.js
index bc4627d5..369bd47e 100644
--- a/test/fixtures/expression-children/9/expected.js
+++ b/test/fixtures/expression-children/9/expected.js
@@ -37,17 +37,17 @@ var _renderArbitrary = function _renderArbitrary(child) {
   }
 };
 
-var _one$wrapper = function _one$wrapper(_ref) {
+var _one$wrapper = function _one$wrapper(_child) {
   elementOpen("one");
 
-  _renderArbitrary(_ref);
+  _renderArbitrary(_child);
 
   return elementClose("one");
 },
-    _two$wrapper = function _two$wrapper(_ref2) {
+    _two$wrapper = function _two$wrapper(_child2) {
   elementOpen("two");
 
-  _renderArbitrary(_ref2);
+  _renderArbitrary(_child2);
 
   return elementClose("two");
 };
diff --git a/test/fixtures/fast-root/comments/disable-inline/child-funciton-level/expected.js b/test/fixtures/fast-root/comments/disable-inline/child-funciton-level/expected.js
index 86d21518..abae3c1c 100644
--- a/test/fixtures/fast-root/comments/disable-inline/child-funciton-level/expected.js
+++ b/test/fixtures/fast-root/comments/disable-inline/child-funciton-level/expected.js
@@ -38,8 +38,8 @@ var _renderArbitrary = function _renderArbitrary(child) {
 };
 
 var _li$statics = ["key", ""],
-    _li$wrapper = function _li$wrapper(_file$name, _file, _ref, _file$name2) {
-  elementOpen("li", _file$name, (_li$statics[1] = _file$name, _li$statics), "file", _file, "onclick", _ref);
+    _li$wrapper = function _li$wrapper(_file$name, _file, _onclick, _file$name2) {
+  elementOpen("li", _file$name, (_li$statics[1] = _file$name, _li$statics), "file", _file, "onclick", _onclick);
 
   _renderArbitrary(_file$name2);
 
diff --git a/test/fixtures/fast-root/comments/disable-inline/child-level/expected.js b/test/fixtures/fast-root/comments/disable-inline/child-level/expected.js
index cb2caa5e..2a695b0b 100644
--- a/test/fixtures/fast-root/comments/disable-inline/child-level/expected.js
+++ b/test/fixtures/fast-root/comments/disable-inline/child-level/expected.js
@@ -38,8 +38,8 @@ var _renderArbitrary = function _renderArbitrary(child) {
 };
 
 var _li$statics = ["key", ""],
-    _li$wrapper = function _li$wrapper(_file$name, _file, _ref, _file$name2) {
-  elementOpen("li", _file$name, (_li$statics[1] = _file$name, _li$statics), "file", _file, "onclick", _ref);
+    _li$wrapper = function _li$wrapper(_file$name, _file, _onclick, _file$name2) {
+  elementOpen("li", _file$name, (_li$statics[1] = _file$name, _li$statics), "file", _file, "onclick", _onclick);
 
   _renderArbitrary(_file$name2);
 
diff --git a/test/fixtures/fast-root/comments/disable-inline/function-level/expected.js b/test/fixtures/fast-root/comments/disable-inline/function-level/expected.js
index 4200f9af..85261f04 100644
--- a/test/fixtures/fast-root/comments/disable-inline/function-level/expected.js
+++ b/test/fixtures/fast-root/comments/disable-inline/function-level/expected.js
@@ -38,8 +38,8 @@ var _renderArbitrary = function _renderArbitrary(child) {
 };
 
 var _li$statics = ["key", ""],
-    _li$wrapper = function _li$wrapper(_file$name, _file, _ref, _file$name2) {
-  elementOpen("li", _file$name, (_li$statics[1] = _file$name, _li$statics), "file", _file, "onclick", _ref);
+    _li$wrapper = function _li$wrapper(_file$name, _file, _onclick, _file$name2) {
+  elementOpen("li", _file$name, (_li$statics[1] = _file$name, _li$statics), "file", _file, "onclick", _onclick);
 
   _renderArbitrary(_file$name2);
 
diff --git a/test/fixtures/fast-root/comments/disable-inline/root-level/expected.js b/test/fixtures/fast-root/comments/disable-inline/root-level/expected.js
index eb2926bc..9bc39e41 100644
--- a/test/fixtures/fast-root/comments/disable-inline/root-level/expected.js
+++ b/test/fixtures/fast-root/comments/disable-inline/root-level/expected.js
@@ -38,8 +38,8 @@ var _renderArbitrary = function _renderArbitrary(child) {
 };
 
 var _li$statics = ["key", ""],
-    _li$wrapper = function _li$wrapper(_file$name, _file, _ref, _file$name2) {
-  elementOpen("li", _file$name, (_li$statics[1] = _file$name, _li$statics), "file", _file, "onclick", _ref);
+    _li$wrapper = function _li$wrapper(_file$name, _file, _onclick, _file$name2) {
+  elementOpen("li", _file$name, (_li$statics[1] = _file$name, _li$statics), "file", _file, "onclick", _onclick);
 
   _renderArbitrary(_file$name2);
 
diff --git a/test/fixtures/fast-root/comments/enable-inline/no-comment/expected.js b/test/fixtures/fast-root/comments/enable-inline/no-comment/expected.js
index 78286cb4..10f7476a 100644
--- a/test/fixtures/fast-root/comments/enable-inline/no-comment/expected.js
+++ b/test/fixtures/fast-root/comments/enable-inline/no-comment/expected.js
@@ -38,8 +38,8 @@ var _renderArbitrary = function _renderArbitrary(child) {
 };
 
 var _li$statics = ["key", ""],
-    _li$wrapper = function _li$wrapper(_file$name, _file, _ref, _file$name2) {
-  elementOpen("li", _file$name, (_li$statics[1] = _file$name, _li$statics), "file", _file, "onclick", _ref);
+    _li$wrapper = function _li$wrapper(_file$name, _file, _onclick, _file$name2) {
+  elementOpen("li", _file$name, (_li$statics[1] = _file$name, _li$statics), "file", _file, "onclick", _onclick);
 
   _renderArbitrary(_file$name2);
 
diff --git a/test/fixtures/fast-root/true/attribute-nested-attribute/expected.js b/test/fixtures/fast-root/true/attribute-nested-attribute/expected.js
index 3f387094..893eb595 100644
--- a/test/fixtures/fast-root/true/attribute-nested-attribute/expected.js
+++ b/test/fixtures/fast-root/true/attribute-nested-attribute/expected.js
@@ -38,15 +38,15 @@ var _renderArbitrary = function _renderArbitrary(child) {
 };
 
 var _span$statics = ["key", ""],
-    _span$wrapper = function _span$wrapper(_file$name3, _file2, _ref2, _file$name4) {
-  elementOpen("span", _file$name3, (_span$statics[1] = _file$name3, _span$statics), "file", _file2, "onclick", _ref2);
+    _span$wrapper = function _span$wrapper(_file$name3, _file2, _onclick2, _file$name4) {
+  elementOpen("span", _file$name3, (_span$statics[1] = _file$name3, _span$statics), "file", _file2, "onclick", _onclick2);
 
   _renderArbitrary(_file$name4);
 
   return elementClose("span");
 },
-    _li$wrapper = function _li$wrapper(_file$name, _file, _ref, _file$name2) {
-  elementOpen("li", null, null, "attr", _jsxWrapper(_span$wrapper, [_file$name, _file, _ref, _file$name2]));
+    _li$wrapper = function _li$wrapper(_file$name, _file, _onclick, _file$name2) {
+  elementOpen("li", null, null, "attr", _jsxWrapper(_span$wrapper, [_file$name, _file, _onclick, _file$name2]));
   return elementClose("li");
 };
 
diff --git a/test/fixtures/fast-root/true/attribute/expected.js b/test/fixtures/fast-root/true/attribute/expected.js
index ffb337fc..188a092e 100644
--- a/test/fixtures/fast-root/true/attribute/expected.js
+++ b/test/fixtures/fast-root/true/attribute/expected.js
@@ -38,8 +38,8 @@ var _renderArbitrary = function _renderArbitrary(child) {
 };
 
 var _li$statics = ["key", ""],
-    _li$wrapper = function _li$wrapper(_file$name, _file, _ref, _file$name2) {
-  elementOpen("li", _file$name, (_li$statics[1] = _file$name, _li$statics), "file", _file, "onclick", _ref);
+    _li$wrapper = function _li$wrapper(_file$name, _file, _onclick, _file$name2) {
+  elementOpen("li", _file$name, (_li$statics[1] = _file$name, _li$statics), "file", _file, "onclick", _onclick);
 
   _renderArbitrary(_file$name2);
 
diff --git a/test/fixtures/fast-root/true/nested-attribute-nested-attribute/expected.js b/test/fixtures/fast-root/true/nested-attribute-nested-attribute/expected.js
index 95ac4f31..5a87f506 100644
--- a/test/fixtures/fast-root/true/nested-attribute-nested-attribute/expected.js
+++ b/test/fixtures/fast-root/true/nested-attribute-nested-attribute/expected.js
@@ -38,17 +38,17 @@ var _renderArbitrary = function _renderArbitrary(child) {
 };
 
 var _span$statics = ["key", ""],
-    _span$wrapper = function _span$wrapper(_file$name3, _file2, _ref2, _file$name4) {
+    _span$wrapper = function _span$wrapper(_file$name3, _file2, _onclick2, _file$name4) {
   elementOpen("span");
-  elementOpen("span", _file$name3, (_span$statics[1] = _file$name3, _span$statics), "file", _file2, "onclick", _ref2);
+  elementOpen("span", _file$name3, (_span$statics[1] = _file$name3, _span$statics), "file", _file2, "onclick", _onclick2);
 
   _renderArbitrary(_file$name4);
 
   elementClose("span");
   return elementClose("span");
 },
-    _li$wrapper = function _li$wrapper(_file$name, _file, _ref, _file$name2) {
-  elementOpen("li", null, null, "attr", _jsxWrapper(_span$wrapper, [_file$name, _file, _ref, _file$name2]));
+    _li$wrapper = function _li$wrapper(_file$name, _file, _onclick, _file$name2) {
+  elementOpen("li", null, null, "attr", _jsxWrapper(_span$wrapper, [_file$name, _file, _onclick, _file$name2]));
   return elementClose("li");
 };
 
diff --git a/test/fixtures/fast-root/true/nested-attribute/expected.js b/test/fixtures/fast-root/true/nested-attribute/expected.js
index 5be60b6f..8fafa5c4 100644
--- a/test/fixtures/fast-root/true/nested-attribute/expected.js
+++ b/test/fixtures/fast-root/true/nested-attribute/expected.js
@@ -38,9 +38,9 @@ var _renderArbitrary = function _renderArbitrary(child) {
 };
 
 var _span$statics = ["key", ""],
-    _li$wrapper = function _li$wrapper(_file$name, _file, _ref, _file$name2) {
+    _li$wrapper = function _li$wrapper(_file$name, _file, _onclick, _file$name2) {
   elementOpen("li");
-  elementOpen("span", _file$name, (_span$statics[1] = _file$name, _span$statics), "file", _file, "onclick", _ref);
+  elementOpen("span", _file$name, (_span$statics[1] = _file$name, _span$statics), "file", _file, "onclick", _onclick);
 
   _renderArbitrary(_file$name2);
 
diff --git a/test/fixtures/fast-root/true/secondary-element/expected.js b/test/fixtures/fast-root/true/secondary-element/expected.js
index 4faf025f..2ae0e18f 100644
--- a/test/fixtures/fast-root/true/secondary-element/expected.js
+++ b/test/fixtures/fast-root/true/secondary-element/expected.js
@@ -45,8 +45,8 @@ var _ul$wrapper = function _ul$wrapper(_deferred, _args) {
   return elementClose("ul");
 },
     _li$statics = ["key", ""],
-    _li$wrapper = function _li$wrapper(_file$name, _file, _ref, _file$name2) {
-  elementOpen("li", _file$name, (_li$statics[1] = _file$name, _li$statics), "file", _file, "onclick", _ref);
+    _li$wrapper = function _li$wrapper(_file$name, _file, _onclick, _file$name2) {
+  elementOpen("li", _file$name, (_li$statics[1] = _file$name, _li$statics), "file", _file, "onclick", _onclick);
 
   _renderArbitrary(_file$name2);
 
diff --git a/test/fixtures/inline-expressions/eager-children/expected.js b/test/fixtures/inline-expressions/eager-children/expected.js
index 7def00cd..6a8a9405 100644
--- a/test/fixtures/inline-expressions/eager-children/expected.js
+++ b/test/fixtures/inline-expressions/eager-children/expected.js
@@ -1,8 +1,8 @@
 function render() {
   var i = 0;
-  var _ref = i++,
-      _ref2 = i++;
+  var _attr = i++,
+      _other = i++;
   elementOpen("root", null, null, "attr", i++);
-  elementVoid("div", null, null, "attr", _ref, "other", _ref2);
+  elementVoid("div", null, null, "attr", _attr, "other", _other);
   return elementClose("root");
 }
\ No newline at end of file
diff --git a/test/fixtures/key/mutate/jsx-in-attribute-updates-key/expected.js b/test/fixtures/key/mutate/jsx-in-attribute-updates-key/expected.js
index 02713dfa..fb25c980 100644
--- a/test/fixtures/key/mutate/jsx-in-attribute-updates-key/expected.js
+++ b/test/fixtures/key/mutate/jsx-in-attribute-updates-key/expected.js
@@ -6,14 +6,14 @@ var _jsxWrapper = function _jsxWrapper(func, args) {
   };
 };
 
-var _div$wrapper = function _div$wrapper(_ref) {
-  return elementVoid("div", null, null, "attr", _ref);
+var _div$wrapper = function _div$wrapper(_attr) {
+  return elementVoid("div", null, null, "attr", _attr);
 },
     _div$statics = ["key", ""];
 
 function render() {
-  var _attr, _div$key;
+  var _attr2, _div$key;
 
-  _attr = _jsxWrapper(_div$wrapper, [i++]);
-  return elementVoid("div", _div$key = i++, (_div$statics[1] = _div$key, _div$statics), "attr2", _attr);
+  _attr2 = _jsxWrapper(_div$wrapper, [i++]);
+  return elementVoid("div", _div$key = i++, (_div$statics[1] = _div$key, _div$statics), "attr2", _attr2);
 }
\ No newline at end of file
diff --git a/test/fixtures/key/mutate/spread-attributes-mutated-key/expected.js b/test/fixtures/key/mutate/spread-attributes-mutated-key/expected.js
index 318c9e3e..91372428 100644
--- a/test/fixtures/key/mutate/spread-attributes-mutated-key/expected.js
+++ b/test/fixtures/key/mutate/spread-attributes-mutated-key/expected.js
@@ -25,4 +25,4 @@ function render() {
 
   elementOpenEnd("div");
   return elementClose("div");
-}
+}
\ No newline at end of file
diff --git a/test/fixtures/key/mutate/wrapper-other-attr-updates-key/expected.js b/test/fixtures/key/mutate/wrapper-other-attr-updates-key/expected.js
index efdaf0e7..c4325e8b 100644
--- a/test/fixtures/key/mutate/wrapper-other-attr-updates-key/expected.js
+++ b/test/fixtures/key/mutate/wrapper-other-attr-updates-key/expected.js
@@ -38,9 +38,9 @@ var _renderArbitrary = function _renderArbitrary(child) {
 };
 
 var _div$statics = ["key", ""],
-    _div$wrapper = function _div$wrapper(_ref, _ref2, _ref3) {
-  elementOpen("div", null, null, "attr", _ref);
-  elementVoid("div", _ref3, (_div$statics[1] = _ref3, _div$statics), "attr2", _ref2);
+    _div$wrapper = function _div$wrapper(_attr, _attr2, _key) {
+  elementOpen("div", null, null, "attr", _attr);
+  elementVoid("div", _key, (_div$statics[1] = _key, _div$statics), "attr2", _attr2);
   return elementClose("div");
 };
 
diff --git a/test/fixtures/key/mutate/wrapper-spread-attribute-updates-key/expected.js b/test/fixtures/key/mutate/wrapper-spread-attribute-updates-key/expected.js
index 1564dcf4..b4df3bad 100644
--- a/test/fixtures/key/mutate/wrapper-spread-attribute-updates-key/expected.js
+++ b/test/fixtures/key/mutate/wrapper-spread-attribute-updates-key/expected.js
@@ -38,9 +38,9 @@ var _renderArbitrary = function _renderArbitrary(child) {
 };
 
 var _div$statics = ["key", ""],
-    _div$wrapper = function _div$wrapper(_ref, _obj, _ref2) {
-  elementOpen("div", null, null, "attr", _ref);
-  elementVoid("div", _ref2, (_div$statics[1] = _ref2, _div$statics), "spread", _obj);
+    _div$wrapper = function _div$wrapper(_attr, _obj, _key) {
+  elementOpen("div", null, null, "attr", _attr);
+  elementVoid("div", _key, (_div$statics[1] = _key, _div$statics), "spread", _obj);
   return elementClose("div");
 };
 
diff --git a/test/fixtures/patch-root/module-source-import-specifier/expected.js b/test/fixtures/patch-root/module-source-import-specifier/expected.js
index c3897952..9561566a 100644
--- a/test/fixtures/patch-root/module-source-import-specifier/expected.js
+++ b/test/fixtures/patch-root/module-source-import-specifier/expected.js
@@ -55,4 +55,4 @@ var todoItems = items.map(function (x) {
   _renderArbitrary(todoItems);
 
   return (0, _idomWrapper.elementClose)("div");
-});
+});
\ No newline at end of file
diff --git a/test/fixtures/patch-root/module-source-import-wildcard/expected.js b/test/fixtures/patch-root/module-source-import-wildcard/expected.js
index 2f9a8a02..5e583372 100644
--- a/test/fixtures/patch-root/module-source-import-wildcard/expected.js
+++ b/test/fixtures/patch-root/module-source-import-wildcard/expected.js
@@ -59,4 +59,4 @@ iDOM.patch(container, function () {
   _renderArbitrary(todoItems);
 
   return (0, _idomWrapper.elementClose)("div");
-});
+});
\ No newline at end of file
diff --git a/test/fixtures/patch-root/object/expected.js b/test/fixtures/patch-root/object/expected.js
index e8badac8..6e62475b 100644
--- a/test/fixtures/patch-root/object/expected.js
+++ b/test/fixtures/patch-root/object/expected.js
@@ -59,4 +59,4 @@ Component.prototype.template = function (data) {
 
 Component.prototype.render = function () {
   (0, _incrementalDom.patch)(this.element, this.template, this.data);
-};
+};
\ No newline at end of file
diff --git a/test/fixtures/patch-root/requires-root-node/expected.js b/test/fixtures/patch-root/requires-root-node/expected.js
index 5a8eaa8f..2aa27575 100644
--- a/test/fixtures/patch-root/requires-root-node/expected.js
+++ b/test/fixtures/patch-root/requires-root-node/expected.js
@@ -22,4 +22,4 @@ function todoItems() {
 
 (0, _incrementalDom.patch)(container, function () {
   todoItems();
-});
+});
\ No newline at end of file
diff --git a/test/fixtures/program/expression-children/expected.js b/test/fixtures/program/expression-children/expected.js
index bc653c54..8c2aed6f 100644
--- a/test/fixtures/program/expression-children/expected.js
+++ b/test/fixtures/program/expression-children/expected.js
@@ -7,8 +7,8 @@ var _jsxWrapper = function _jsxWrapper(func, args) {
 };
 
 var _div$statics = ["key", ""],
-    _div$wrapper = function _div$wrapper(_ref) {
-  elementOpen("div", _ref, (_div$statics[1] = _ref, _div$statics));
+    _div$wrapper = function _div$wrapper(_key) {
+  elementOpen("div", _key, (_div$statics[1] = _key, _div$statics));
   return elementClose("div");
 };
 
diff --git a/test/fixtures/program/hoist/expected.js b/test/fixtures/program/hoist/expected.js
index bc653c54..8c2aed6f 100644
--- a/test/fixtures/program/hoist/expected.js
+++ b/test/fixtures/program/hoist/expected.js
@@ -7,8 +7,8 @@ var _jsxWrapper = function _jsxWrapper(func, args) {
 };
 
 var _div$statics = ["key", ""],
-    _div$wrapper = function _div$wrapper(_ref) {
-  elementOpen("div", _ref, (_div$statics[1] = _ref, _div$statics));
+    _div$wrapper = function _div$wrapper(_key) {
+  elementOpen("div", _key, (_div$statics[1] = _key, _div$statics));
   return elementClose("div");
 };
 
diff --git a/test/fixtures/runtime/module/wrapper-eager/expected.js b/test/fixtures/runtime/module/wrapper-eager/expected.js
index 68b6ca46..0be7720d 100644
--- a/test/fixtures/runtime/module/wrapper-eager/expected.js
+++ b/test/fixtures/runtime/module/wrapper-eager/expected.js
@@ -1,7 +1,7 @@
 var _iDOM = require("iDOM");
 
-var _div$wrapper = function _div$wrapper(_ref) {
-  return elementVoid("div", null, null, "attr", _ref);
+var _div$wrapper = function _div$wrapper(_attr) {
+  return elementVoid("div", null, null, "attr", _attr);
 };
 
 function render() {