diff --git a/escope.js b/escope.js
index a1427a0..c051920 100644
--- a/escope.js
+++ b/escope.js
@@ -948,7 +948,7 @@
 
                 case Syntax.FunctionDeclaration:
                     // FunctionDeclaration name is defined in upper scope
-                    currentScope.upper.__define(node.id, {
+                    currentScope.upper.variableScope.__define(node.id, {
                         type: Variable.FunctionName,
                         name: node.id,
                         node: node
diff --git a/package.json b/package.json
index 8a55cbf..32eb220 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "jsdoc": "~3.3.0-alpha2",
     "gulp-mocha": "~0.3.0",
     "gulp-jshint": "~1.3.4",
-    "gulp": "~3.4.1"
+    "gulp": "~3.5.2"
   },
   "licenses": [
     {