diff --git a/manager/assets/modext/util/utilities.js b/manager/assets/modext/util/utilities.js
index d5483648986..dba2ee1948a 100644
--- a/manager/assets/modext/util/utilities.js
+++ b/manager/assets/modext/util/utilities.js
@@ -64,7 +64,7 @@ Ext.reg('modx-lockmask',MODx.LockMask);
 Ext.override(Ext.form.BasicForm,{
     clearDirty : function(nodeToRecurse){
         nodeToRecurse = nodeToRecurse || this;
-        nodeToRecurse.items.each(function(f){
+        nodeToRecurse?.items?.each?.(function(f){
             if (!f.getValue) return;
             
             if(f.items){