diff --git a/admin/javascript/LeftAndMain.js b/admin/javascript/LeftAndMain.js
index d5b9fe708..30db823ce 100644
--- a/admin/javascript/LeftAndMain.js
+++ b/admin/javascript/LeftAndMain.js
@@ -575,7 +575,7 @@ jQuery.noConflict();
 				this._super();
 			},
 			onremove: function() {
-				this.button('destroy');
+				if(this.data('button')) this.button('destroy');
 				this._super();
 			}
 		});