diff --git a/controllers/challengeController.js b/controllers/challengeController.js
index d57a9d2..88913c4 100644
--- a/controllers/challengeController.js
+++ b/controllers/challengeController.js
@@ -164,7 +164,7 @@ const challengeController = {
           participationCount: participationCount + 1,
         });
 
-        const [{ member_id: memberIdForAlarm }] = await challengeModel.findOtherMemberByChallengeId({
+        const [{ id: memberIdForAlarm }] = await challengeModel.findOtherMemberByChallengeId({
           memberId,
           challengeId,
         });