diff --git a/Chart.js b/Chart.js
index a2141a056..ffbe16f37 100755
--- a/Chart.js
+++ b/Chart.js
@@ -8,7 +8,7 @@
  */
 
 //Define the global Chart Variable as a class.
-var Chart = function(context){
+window.Chart = function(context){
 
 	var chart = this;