diff --git a/src/main/java/com/pickple/server/api/notice/service/NoticeQueryService.java b/src/main/java/com/pickple/server/api/notice/service/NoticeQueryService.java
index 3645917..5aacdd0 100644
--- a/src/main/java/com/pickple/server/api/notice/service/NoticeQueryService.java
+++ b/src/main/java/com/pickple/server/api/notice/service/NoticeQueryService.java
@@ -74,7 +74,7 @@ private boolean checkOwner(Long userId, Long moimId) {
 
     private boolean isUserAppliedToMoim(Long moimId, Long guestId) {
         if ((moimRepository.findMoimByIdOrThrow(moimId).getHost().getUser())
-                .equals(guestRepository.findGuestByIdOrThrow(guestId).getUser().getId())) {
+                .equals(guestRepository.findGuestByIdOrThrow(guestId).getUser())) {
             return true;
         } else if (moimSubmissionRepository.existsByMoimIdAndGuestId(moimId, guestId)) {
             MoimSubmission moimSubmission = moimSubmissionRepository.findByMoimIdAndGuestId(moimId, guestId);
@@ -92,4 +92,4 @@ private boolean canAccessNotice(Notice notice, boolean isUserApplied) {
         // 공개 공지사항이면 누구나 접근 가능하고, 비공개 공지사항이면 모임에 신청한 사람만 접근 가능
         return !notice.isPrivate() || isUserApplied;
     }
-}
\ No newline at end of file
+}