diff --git a/source/Ox.UI/Ox.UI.js b/source/Ox.UI/Ox.UI.js
index a82e2b06..84f42542 100644
--- a/source/Ox.UI/Ox.UI.js
+++ b/source/Ox.UI/Ox.UI.js
@@ -298,14 +298,16 @@ Ox.load.UI = function(options, callback) {
                             Ox.forEach(arguments[0], function(callback, event) {
                                 Ox.Message.bind(function(event_, data, oxid) {
                                     if (event_ == event && Ox.isUndefined(oxid)) {
-                                        callback(data);
+                                        callback(data || {});
                                     }
                                 });
                             });
                         } else {
                             callback = arguments[0];
                             Ox.Message.bind(function(event, data, oxid) {
-                                Ox.isUndefined(oxid) && callback(event, data);
+                                if (Ox.isUndefined(oxid)) {
+                                    callback(event, data || {});
+                                }
                             });
                         }
                         return this;
diff --git a/source/Ox.UI/js/Core/Element.js b/source/Ox.UI/js/Core/Element.js
index 9676ef65..e68d96b2 100644
--- a/source/Ox.UI/js/Core/Element.js
+++ b/source/Ox.UI/js/Core/Element.js
@@ -364,7 +364,7 @@ Ox.Element = function(options, self) {
                 Ox.forEach(arguments[0], function(callback, event) {
                     Ox.Message.bind(arguments[0], function(event_, data, oxid) {
                         if (event_ == event && oxid == that.oxid) {
-                            callback(data);
+                            callback(data || {});
                         }
                     });
                 });
@@ -372,7 +372,7 @@ Ox.Element = function(options, self) {
                 callback = arguments[0];
                 Ox.Message.bind(function(event, data, oxid) {
                     if (that.oxid == oxid) {
-                        callback(event, data);
+                        callback(event, data || {});
                     }
                 });
             }