diff --git a/packages/backend/src/queue/processors/RelationshipProcessorService.ts b/packages/backend/src/queue/processors/RelationshipProcessorService.ts
index 3964fa7952..99a88a93d8 100644
--- a/packages/backend/src/queue/processors/RelationshipProcessorService.ts
+++ b/packages/backend/src/queue/processors/RelationshipProcessorService.ts
@@ -51,8 +51,8 @@ export class RelationshipProcessorService {
 	public async processUnfollow(job: Bull.Job<RelationshipJobData>): Promise<string> {
 		this.logger.info(`${job.data.from.id} is trying to unfollow ${job.data.to.id}`);
 		const [follower, followee] = await Promise.all([
-			this.usersRepository.findOneByOrFail({ id: job.data.from.id }),
-			this.usersRepository.findOneByOrFail({ id: job.data.to.id }),
+			this.cacheService.findUserById(job.data.from.id),
+			this.cacheService.findUserById(job.data.to.id),
 		]) as [MiLocalUser | MiRemoteUser, MiLocalUser | MiRemoteUser];
 		await this.userFollowingService.unfollow(follower, followee, job.data.silent);
 		return 'ok';
@@ -62,8 +62,8 @@ export class RelationshipProcessorService {
 	public async processBlock(job: Bull.Job<RelationshipJobData>): Promise<string> {
 		this.logger.info(`${job.data.from.id} is trying to block ${job.data.to.id}`);
 		const [blockee, blocker] = await Promise.all([
-			this.usersRepository.findOneByOrFail({ id: job.data.from.id }),
-			this.usersRepository.findOneByOrFail({ id: job.data.to.id }),
+			this.cacheService.findUserById(job.data.from.id),
+			this.cacheService.findUserById(job.data.to.id),
 		]);
 		await this.userBlockingService.block(blockee, blocker, job.data.silent);
 		return 'ok';
@@ -73,8 +73,8 @@ export class RelationshipProcessorService {
 	public async processUnblock(job: Bull.Job<RelationshipJobData>): Promise<string> {
 		this.logger.info(`${job.data.from.id} is trying to unblock ${job.data.to.id}`);
 		const [blockee, blocker] = await Promise.all([
-			this.usersRepository.findOneByOrFail({ id: job.data.from.id }),
-			this.usersRepository.findOneByOrFail({ id: job.data.to.id }),
+			this.cacheService.findUserById(job.data.from.id),
+			this.cacheService.findUserById(job.data.to.id),
 		]);
 		await this.userBlockingService.unblock(blockee, blocker);
 		return 'ok';