diff --git a/lib/feedback.ts b/lib/feedback.ts
index 17e79e6..29b9261 100644
--- a/lib/feedback.ts
+++ b/lib/feedback.ts
@@ -38,7 +38,7 @@ export function generateFeedback({
     prompt,
     onError({ error }) {
       console.error(`generateFeedback`, error)
-      throw error instanceof Error ? error : new Error(String(error))
+      throw error
     },
   })