diff --git a/packages/backend/src/core/activitypub/ApDbResolverService.ts b/packages/backend/src/core/activitypub/ApDbResolverService.ts
index 12e58efdc2..4209c6b3e3 100644
--- a/packages/backend/src/core/activitypub/ApDbResolverService.ts
+++ b/packages/backend/src/core/activitypub/ApDbResolverService.ts
@@ -16,6 +16,7 @@ import type { MiLocalUser, MiRemoteUser } from '@/models/User.js';
 import { getApId } from './type.js';
 import { ApPersonService } from './models/ApPersonService.js';
 import type { IObject } from './type.js';
+import { ApLoggerService } from '@/core/activitypub/ApLoggerService.js';
 
 export type UriParseResult = {
 	/** wether the URI was generated by us */
@@ -53,6 +54,7 @@ export class ApDbResolverService implements OnApplicationShutdown {
 
 		private cacheService: CacheService,
 		private apPersonService: ApPersonService,
+		private apLoggerService: ApLoggerService,
 	) {
 		this.publicKeyCache = new MemoryKVCache<MiUserPublickey | null>(1000 * 60 * 60 * 12); // 12h
 		this.publicKeyByUserIdCache = new MemoryKVCache<MiUserPublickey | null>(1000 * 60 * 60 * 12); // 12h
@@ -174,6 +176,7 @@ export class ApDbResolverService implements OnApplicationShutdown {
 	 */
 	@bindThis
 	public async refetchPublicKeyForApId(user: MiRemoteUser): Promise<MiUserPublickey | null> {
+		this.apLoggerService.logger.info('Re-fetching public key for user', { userId: user.id });
 		await this.apPersonService.updatePerson(user.uri);
 		const key = await this.userPublickeysRepository.findOneBy({ userId: user.id });
 		this.publicKeyByUserIdCache.set(user.id, key);