diff --git a/web/app/components/workflow/nodes/llm/components/reference-tool-config.tsx b/web/app/components/workflow/nodes/llm/components/reference-tool-config.tsx
index b156534ad73..46cc7a82d98 100644
--- a/web/app/components/workflow/nodes/llm/components/reference-tool-config.tsx
+++ b/web/app/components/workflow/nodes/llm/components/reference-tool-config.tsx
@@ -65,6 +65,7 @@ const ReferenceToolConfig: FC<ReferenceToolConfigProps> = ({
       },
     }),
     enabled: !!appId && !!nodeId,
+    placeholderData: previous => previous,
   })
 
   const toolDependencies = useMemo<ToolDependency[]>(() => data?.tool_dependencies ?? [], [data?.tool_dependencies])