diff --git a/packages/backend/src/core/ReactionService.ts b/packages/backend/src/core/ReactionService.ts
index 6af04dcba5..6d69b079ce 100644
--- a/packages/backend/src/core/ReactionService.ts
+++ b/packages/backend/src/core/ReactionService.ts
@@ -34,7 +34,6 @@ import { CacheService } from '@/core/CacheService.js';
 import { NoteVisibilityService } from '@/core/NoteVisibilityService.js';
 import { TimeService } from '@/global/TimeService.js';
 import { CollapsedQueueService } from '@/core/CollapsedQueueService.js';
-import { promiseMap } from '@/misc/promise-map.js';
 import type { DataSource } from 'typeorm';
 
 const FALLBACK = '\u2764';
@@ -299,9 +298,11 @@ export class ReactionService implements OnModuleInit {
 			if (['public', 'home', 'followers'].includes(note.visibility)) {
 				dm.addFollowersRecipe();
 			} else if (note.visibility === 'specified') {
-				const visibleUsers = await promiseMap(note.visibleUserIds, async id => await this.cacheService.findOptionalUserById(id), { limit: 2 });
-				for (const u of visibleUsers.filter(u => u && isRemoteUser(u))) {
-					dm.addDirectRecipe(u as MiRemoteUser);
+				const visibleUsers = await this.cacheService.getUsers(note.visibleUserIds);
+				for (const u of visibleUsers.values()) {
+					if (isRemoteUser(u)) {
+						dm.addDirectRecipe(u as MiRemoteUser);
+					}
 				}
 			}