diff --git a/src/pages/workflows/components/WorkflowCanvas.tsx b/src/pages/workflows/components/WorkflowCanvas.tsx
index ee2e0ab..571220e 100644
--- a/src/pages/workflows/components/WorkflowCanvas.tsx
+++ b/src/pages/workflows/components/WorkflowCanvas.tsx
@@ -164,7 +164,7 @@ export function WorkflowCanvas({
       flowInstance.fitView({ padding: 0.3, duration: 260, maxZoom: 1.05, minZoom: 0.2 })
     }, 30)
     return () => window.clearTimeout(t)
-  }, [flowInstance, structureSignature])
+  }, [flowInstance, nodeSetSignature])
 
   // Edge creation with validation
   const handleConnect = useCallback((conn: Connection) => {