diff --git a/web/app/components/workflow/nodes/_base/components/variable/var-reference-picker.tsx b/web/app/components/workflow/nodes/_base/components/variable/var-reference-picker.tsx
index 1191f53dc9..8ff42bc5c4 100644
--- a/web/app/components/workflow/nodes/_base/components/variable/var-reference-picker.tsx
+++ b/web/app/components/workflow/nodes/_base/components/variable/var-reference-picker.tsx
@@ -427,7 +427,7 @@ const VarReferencePicker: FC<Props> = ({
         onOpenChange={setOpen}
         placement={isAddBtnTrigger ? 'bottom-end' : 'bottom-start'}
       >
-        {trigger && <PortalToFollowElemTrigger onClick={() => setOpen(!open)}>{trigger}</PortalToFollowElemTrigger>}
+        {!!trigger && <PortalToFollowElemTrigger onClick={() => setOpen(!open)}>{trigger}</PortalToFollowElemTrigger>}
         {!trigger && (
           <WrapElem
             onClick={() => {