diff --git a/trunk/includes/js/LSform.js b/trunk/includes/js/LSform.js
index 495fe32a..c2399df2 100644
--- a/trunk/includes/js/LSform.js
+++ b/trunk/includes/js/LSform.js
@@ -217,7 +217,7 @@ var LSform = new Class({
         
         var layout = ul.getParent('div.LSform_layout_active');
         if ($type(layout)) {
-          var li = getLayoutBtn(layout);
+          var li = this.getLayoutBtn(layout);
           if($type(li)) {
             li.addClass('LSform_layout_errors');
           }