diff --git a/test/unit/globals.html b/test/unit/globals.html
index 2a5b2a3164..c40be6f442 100644
--- a/test/unit/globals.html
+++ b/test/unit/globals.html
@@ -91,7 +91,8 @@
 
     // module-to-amd transform
     require: true,
-    resolve: true
+    resolve: true,
+    _wctCallback: true
   };
 
   test('check global leakage', function() {