diff --git a/src/standalone/intellisense/resolveCompletionItem.ts b/src/standalone/intellisense/resolveCompletionItem.ts
index a4a884966e7..6988772b4c5 100644
--- a/src/standalone/intellisense/resolveCompletionItem.ts
+++ b/src/standalone/intellisense/resolveCompletionItem.ts
@@ -170,6 +170,9 @@ function cachedResult(
     if (!kernel.session?.kernel) {
         return;
     }
+    if (content.status !== 'ok' || !content.found) {
+        return;
+    }
     const cacheKey = JSON.stringify(message);
     const cache =
         cachedKernelInspectRequests.get(kernel.session.kernel) ||