diff --git a/src/main/java/com/dnd/dndtravel/member/service/MemberService.java b/src/main/java/com/dnd/dndtravel/member/service/MemberService.java
index d2d2054..ac883f6 100644
--- a/src/main/java/com/dnd/dndtravel/member/service/MemberService.java
+++ b/src/main/java/com/dnd/dndtravel/member/service/MemberService.java
@@ -101,7 +101,7 @@ private String determineEmail(String email, String sub) {
 
     private void validateNewMemberEmail(String email, String sub) {
         // 최로 로그인 유저인데 IdToken의 email도 null인경우 (케이스 3)
-        if (email == null && withDrawMemberRepository.existsByAppleId(sub)) {
+        if (email == null && !withDrawMemberRepository.existsByAppleId(sub)) {
             throw new MemberNotFoundException(sub);
         }
     }