diff --git a/Source/Core/Core.js b/Source/Core/Core.js
index c7bed355f..8ef4d54d4 100644
--- a/Source/Core/Core.js
+++ b/Source/Core/Core.js
@@ -169,7 +169,7 @@ Function.implement({
 
 // Type
 
-var Type = this.Type = function(name, object){
+var Type = function(name, object){
 	if (name){
 		var lower = name.toLowerCase();
 		var typeCheck = function(item){