diff --git a/productMods/edit/forms/js/customFormWithAdvanceTypeSelection.js b/productMods/edit/forms/js/customFormWithAdvanceTypeSelection.js
index b462d508..5ce3a4fd 100644
--- a/productMods/edit/forms/js/customFormWithAdvanceTypeSelection.js
+++ b/productMods/edit/forms/js/customFormWithAdvanceTypeSelection.js
@@ -121,7 +121,7 @@ var customForm = {
         }); 
         
         this.verifyMatch.click(function() {
-            Window.open($(this).attr('href'), 'verifyMatchWindow', 'width=640,height=640,scrollbars=yes,resizable=yes,status=yes,toolbar=no,menubar=no,location=no');
+            window.open($(this).attr('href'), 'verifyMatchWindow', 'width=640,height=640,scrollbars=yes,resizable=yes,status=yes,toolbar=no,menubar=no,location=no');
             return false;
         });      
     },