diff --git a/src/main/java/com/gamegoo/repository/member/MemberRepository.java b/src/main/java/com/gamegoo/repository/member/MemberRepository.java
index 9f38ced6..dde7a93b 100644
--- a/src/main/java/com/gamegoo/repository/member/MemberRepository.java
+++ b/src/main/java/com/gamegoo/repository/member/MemberRepository.java
@@ -13,8 +13,6 @@
 public interface MemberRepository extends JpaRepository<Member, Long> {
     Optional<Member> findByEmail(String email);
 
-    Optional<Member> findByGameName(String gameName);
-
     Optional<Member> findById(Long id);
 
     Optional<Member> findByRefreshToken(String refresh_token);
diff --git a/src/main/java/com/gamegoo/service/member/AuthService.java b/src/main/java/com/gamegoo/service/member/AuthService.java
index 73d0ac9b..f39dceab 100644
--- a/src/main/java/com/gamegoo/service/member/AuthService.java
+++ b/src/main/java/com/gamegoo/service/member/AuthService.java
@@ -56,6 +56,10 @@ public Member joinMember(String email, String password, String gameName, String
 
         // 중복 확인하기
         if (memberRepository.existsByEmail(email)) {
+            Member member = memberRepository.findByEmail(email).get();
+            if (member.getBlind()) {
+                throw new MemberHandler(ErrorStatus.USER_DEACTIVATED);
+            }
             throw new MemberHandler(ErrorStatus.MEMBER_CONFLICT);
         }