diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7c4134bdef..778e6cee1c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -89,6 +89,7 @@
 - Enhance: 自分へのメンション一覧を取得する際のパフォーマンスを向上
 - Enhance: Docker環境でjemallocを使用することでメモリ使用量を削減
 - Fix: MK_ONLY_SERVERオプションを指定した際にクラッシュする問題を修正
+- Fix: notes/reactionsのページネーションが機能しない問題を修正
 - Fix: ノート検索 `notes/search` にてhostを指定した際に検索結果に反映されるように
 - Fix: 一部のfeatured noteを照会できない問題を修正
 - Fix: muteがapiからのuser list timeline取得で機能しない問題を修正
diff --git a/packages/backend/src/server/api/endpoints/notes/reactions.ts b/packages/backend/src/server/api/endpoints/notes/reactions.ts
index dae31364ee..a2c1778199 100644
--- a/packages/backend/src/server/api/endpoints/notes/reactions.ts
+++ b/packages/backend/src/server/api/endpoints/notes/reactions.ts
@@ -4,12 +4,13 @@
  */
 
 import { Inject, Injectable } from '@nestjs/common';
+import { Brackets, type FindOptionsWhere } from 'typeorm';
 import type { NoteReactionsRepository } from '@/models/_.js';
 import type { MiNoteReaction } from '@/models/NoteReaction.js';
 import { Endpoint } from '@/server/api/endpoint-base.js';
 import { NoteReactionEntityService } from '@/core/entities/NoteReactionEntityService.js';
 import { DI } from '@/di-symbols.js';
-import type { FindOptionsWhere } from 'typeorm';
+import { QueryService } from '@/core/QueryService.js';
 
 export const meta = {
 	tags: ['notes', 'reactions'],
@@ -44,7 +45,6 @@ export const paramDef = {
 		noteId: { type: 'string', format: 'misskey:id' },
 		type: { type: 'string', nullable: true },
 		limit: { type: 'integer', minimum: 1, maximum: 100, default: 10 },
-		offset: { type: 'integer', default: 0 },
 		sinceId: { type: 'string', format: 'misskey:id' },
 		untilId: { type: 'string', format: 'misskey:id' },
 	},
@@ -58,29 +58,23 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 		private noteReactionsRepository: NoteReactionsRepository,
 
 		private noteReactionEntityService: NoteReactionEntityService,
+		private queryService: QueryService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
-			const query = {
-				noteId: ps.noteId,
-			} as FindOptionsWhere<MiNoteReaction>;
+			const query = this.queryService.makePaginationQuery(this.noteReactionsRepository.createQueryBuilder('reaction'), ps.sinceId, ps.untilId)
+				.andWhere('reaction.noteId = :noteId', { noteId: ps.noteId })
+				.leftJoinAndSelect('reaction.user', 'user')
+				.leftJoinAndSelect('reaction.note', 'note');
 
 			if (ps.type) {
 				// ローカルリアクションはホスト名が . とされているが
 				// DB 上ではそうではないので、必要に応じて変換
 				const suffix = '@.:';
 				const type = ps.type.endsWith(suffix) ? ps.type.slice(0, ps.type.length - suffix.length) + ':' : ps.type;
-				query.reaction = type;
+				query.andWhere('reaction.reaction = :type', { type });
 			}
 
-			const reactions = await this.noteReactionsRepository.find({
-				where: query,
-				take: ps.limit,
-				skip: ps.offset,
-				order: {
-					id: -1,
-				},
-				relations: ['user', 'note'],
-			});
+			const reactions = await query.limit(ps.limit).getMany();
 
 			return await Promise.all(reactions.map(reaction => this.noteReactionEntityService.pack(reaction, me)));
 		});