diff --git a/source/Ox.UI/js/List/TreeList.js b/source/Ox.UI/js/List/TreeList.js
index 18ee2ba1..8ab9eb40 100644
--- a/source/Ox.UI/js/List/TreeList.js
+++ b/source/Ox.UI/js/List/TreeList.js
@@ -253,16 +253,16 @@ Ox.TreeList = function(options, self) {
                 return false;
             }
         });
-        //that.$element.value(item.id, 'expanded', expanded);
+        //self.$list.value(item.id, 'expanded', expanded);
         $img.attr({
             src: getIcon(item.id, expanded).attr('src')
         });
         if (expanded) {
-            that.$element.addItems(
+            self.$list.addItems(
                 pos + 1, parseItems(item.items, item.level + 1)
             );
         } else {
-            that.$element.removeItems(
+            self.$list.removeItems(
                 pos + 1, parseItems(item.items, item.level + 1).length
             );
         }