diff --git a/packages/backend/src/core/activitypub/models/ApNoteService.ts b/packages/backend/src/core/activitypub/models/ApNoteService.ts
index 6d9dc86c16..ad7b3b145c 100644
--- a/packages/backend/src/core/activitypub/models/ApNoteService.ts
+++ b/packages/backend/src/core/activitypub/models/ApNoteService.ts
@@ -251,7 +251,7 @@ export class ApNoteService {
 			> => {
 				if (typeof uri !== 'string' || !/^https?:/.test(uri)) return { status: 'permerror' };
 				try {
-					const res = await this.resolveNote(uri);
+					const res = await this.resolveNote(uri, { resolver });
 					if (res == null) return { status: 'permerror' };
 					return { status: 'ok', res };
 				} catch (e) {
@@ -478,7 +478,7 @@ export class ApNoteService {
 			> => {
 				if (!/^https?:/.test(uri)) return { status: 'permerror' };
 				try {
-					const res = await this.resolveNote(uri);
+					const res = await this.resolveNote(uri, { resolver });
 					if (res == null) return { status: 'permerror' };
 					return { status: 'ok', res };
 				} catch (e) {