diff --git a/source/Ox.UI/js/Core/Ox.Element.js b/source/Ox.UI/js/Core/Ox.Element.js
index a8e10dae..649e96e7 100644
--- a/source/Ox.UI/js/Core/Ox.Element.js
+++ b/source/Ox.UI/js/Core/Ox.Element.js
@@ -110,7 +110,7 @@ Ox.Element = function(options, self) {
             callback.call(that, Ox.extend({
                 _element: that.$element,
                 _event: event
-            }, data));
+            }, data || {}));
         });
     }