diff --git a/apps/common/main/lib/component/Button.js b/apps/common/main/lib/component/Button.js
index f1c5de25b..858e4adde 100644
--- a/apps/common/main/lib/component/Button.js
+++ b/apps/common/main/lib/component/Button.js
@@ -164,11 +164,14 @@ define([
             var result = Array.prototype.slice.call(this);
 
             args.forEach(function(sub){
-                Array.prototype.push.apply(result, sub);
+                if (sub instanceof Array )
+                    Array.prototype.push.apply(result, sub);
+                else
+                    result.push(sub);
             });
 
             return result;
-        }
+        };
 
         var _out_array = Object.create(ButtonsArray.prototype);
         for ( var i in arguments ) {
diff --git a/apps/presentationeditor/main/app/controller/Toolbar.js b/apps/presentationeditor/main/app/controller/Toolbar.js
index 0d978a2f5..ad53ac5bb 100644
--- a/apps/presentationeditor/main/app/controller/Toolbar.js
+++ b/apps/presentationeditor/main/app/controller/Toolbar.js
@@ -1963,7 +1963,7 @@ define([
             var toolbar = this.toolbar;
             toolbar.$el.find('.toolbar').toggleClass('masked', disable);
 
-            this.toolbar.lockToolbar(PE.enumLock.menuFileOpen, disable, {array: [toolbar.btnsAddSlide, toolbar.btnChangeSlide, toolbar.btnPreview, toolbar.btnHide]});
+            this.toolbar.lockToolbar(PE.enumLock.menuFileOpen, disable, {array: toolbar.btnsAddSlide.concat(toolbar.btnChangeSlide, toolbar.btnPreview, toolbar.btnHide)});
             if(disable) {
                 mask = $("<div class='toolbar-mask'>").appendTo(toolbar.$el.find('.toolbar'));
                 Common.util.Shortcuts.suspendEvents('command+k, ctrl+k, alt+h, command+f5, ctrl+f5');