diff --git a/packages/backend/src/core/activitypub/models/ApNoteService.ts b/packages/backend/src/core/activitypub/models/ApNoteService.ts
index b2fd435f9..4d64b08e1 100644
--- a/packages/backend/src/core/activitypub/models/ApNoteService.ts
+++ b/packages/backend/src/core/activitypub/models/ApNoteService.ts
@@ -129,7 +129,7 @@ export class ApNoteService {
 				value,
 				object,
 			});
-			throw new Error('invalid note');
+			throw err;
 		}
 
 		const note = object as IPost;