diff --git a/workflow/engine/xmlform/triggers/triggers_Edit.xml b/workflow/engine/xmlform/triggers/triggers_Edit.xml
index 5c321d80b..15d3d4640 100755
--- a/workflow/engine/xmlform/triggers/triggers_Edit.xml
+++ b/workflow/engine/xmlform/triggers/triggers_Edit.xml
@@ -89,10 +89,12 @@ function cancel(){
 
 function triggerSave1(form){
     ajax_post(form.action, form, 'POST');
-    if(@QSTEP_UID!="" && @QST_TYPE!="" && opener.showTriggers)
-        opener.showTriggers(@QSTEP_UID,@QST_TYPE);
-    if(opener.reloadTriggersShortList)
-        opener.reloadTriggersShortList();
+    if(opener) {
+        if(@QSTEP_UID!="" && @QST_TYPE!="" && opener.showTriggers)
+            opener.showTriggers(@QSTEP_UID,@QST_TYPE);
+        if(opener.reloadTriggersShortList)
+            opener.reloadTriggersShortList();
+    }
     window.close();
 }