diff --git a/src/frontend/src/customNodes/genericNode/components/parameterComponent/index.tsx b/src/frontend/src/customNodes/genericNode/components/parameterComponent/index.tsx
index 023a12c1a..6a07670df 100644
--- a/src/frontend/src/customNodes/genericNode/components/parameterComponent/index.tsx
+++ b/src/frontend/src/customNodes/genericNode/components/parameterComponent/index.tsx
@@ -85,8 +85,9 @@ export default function ParameterComponent({
   const displayOutputPreview = !!flowPool[data.id];
 
   const unknownOutput = !!(
+    flowPool[data.id] &&
     flowPool[data.id][flowPool[data.id].length - 1]?.data?.logs[0]?.type ===
-    "unknown"
+      "unknown"
   );
 
   const { handleOnNewValue: handleOnNewValueHook } = useHandleOnNewValue(