diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1f07185516..af62232510 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,7 +9,7 @@
 - Enhance: クライアントエラー画面の多言語対応
 
 ### Server
--
+- Fix: `following/invalidate`でフォロワーを解除しようとしているユーザーの情報を返すように
 
 
 ## 2025.2.0
diff --git a/packages/backend/src/server/api/endpoints/following/invalidate.ts b/packages/backend/src/server/api/endpoints/following/invalidate.ts
index 8935c2c2da..b45d21410b 100644
--- a/packages/backend/src/server/api/endpoints/following/invalidate.ts
+++ b/packages/backend/src/server/api/endpoints/following/invalidate.ts
@@ -96,7 +96,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 
 			await this.userFollowingService.unfollow(follower, followee);
 
-			return await this.userEntityService.pack(followee.id, me);
+			return await this.userEntityService.pack(follower.id, me);
 		});
 	}
 }