diff --git a/source/Ox.UI/js/Core/Clipboard.js b/source/Ox.UI/js/Core/Clipboard.js
index 3d9afbcf..918e5d1c 100644
--- a/source/Ox.UI/js/Core/Clipboard.js
+++ b/source/Ox.UI/js/Core/Clipboard.js
@@ -21,14 +21,14 @@ Ox.Clipboard = (function() {
             Ox.print(JSON.stringify(clipboard));
         },
         add: function(items, type) {
-            if (type != clipboard.type) {
-                Ox.Clipboard.clear();
+            items = Ox.makeArray(items);
+            if (items.length) {
+                if (type != clipboard.type) {
+                    Ox.Clipboard.clear();
+                }
+                clipboard = {items: clipboard.items.concat(items), type: type};
+                $element && $element.triggerEvent('add', clipboard);
             }
-            clipboard = {
-                items: clipboard.items.concat(Ox.makeArray(items)),
-                type: type
-            };
-            $element && $element.triggerEvent('add', clipboard);
             return clipboard.items.length;
         },
         bindEvent: function() {
@@ -43,8 +43,11 @@ Ox.Clipboard = (function() {
             return clipboard.items.length;
         },
         copy: function(items, type) {
-            clipboard = {items: Ox.makeArray(items), type: type};
-            $element && $element.triggerEvent('copy', clipboard);
+            items = Ox.makeArray(items);
+            if (items.length) {
+                clipboard = {items: items, type: type};
+                $element && $element.triggerEvent('copy', clipboard);
+            }
             return clipboard.items.length;
         },
         items: function(type) {