diff --git a/packages/backend/src/core/activitypub/models/ApNoteService.ts b/packages/backend/src/core/activitypub/models/ApNoteService.ts
index d9d004a9cf..53b399070f 100644
--- a/packages/backend/src/core/activitypub/models/ApNoteService.ts
+++ b/packages/backend/src/core/activitypub/models/ApNoteService.ts
@@ -3,6 +3,7 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
+import * as Bull from 'bullmq';
 import { forwardRef, Inject, Injectable } from '@nestjs/common';
 import { In } from 'typeorm';
 import { DI } from '@/di-symbols.js';
@@ -164,7 +165,7 @@ export class ApNoteService {
 			const noteUrl = yumeAssertAcceptableURL(note.id);
 
 			if (noteUrl.host !== actUrl.host) {
-				throw new Error(`note url & uri host mismatch: note url: ${url}, note uri: ${note.id}`);
+				throw new Bull.UnrecoverableError(`note url & uri host mismatch: note url: ${url}, note uri: ${note.id}`);
 			}
 		}