diff --git a/src/main/java/com/fullcar/member/domain/mail/MailRepository.java b/src/main/java/com/fullcar/member/domain/mail/MailRepository.java
index be387c3..5531aea 100644
--- a/src/main/java/com/fullcar/member/domain/mail/MailRepository.java
+++ b/src/main/java/com/fullcar/member/domain/mail/MailRepository.java
@@ -7,4 +7,5 @@
 @Repository
 public interface MailRepository extends JpaRepository<Mail, MailId> {
     Mail findByMemberId(MemberId memberId);
+    boolean existsByMemberId(MemberId memberId);
 }
diff --git a/src/main/java/com/fullcar/member/infra/MailClient.java b/src/main/java/com/fullcar/member/infra/MailClient.java
index 9fa0a92..279bfc1 100644
--- a/src/main/java/com/fullcar/member/infra/MailClient.java
+++ b/src/main/java/com/fullcar/member/infra/MailClient.java
@@ -84,7 +84,9 @@ public void checkMailAuthenticationCode(Member member, CodeRequestDto codeReques
     @Transactional
     @Override
     public void deleteMail(MemberId memberId) {
-        Mail mail = mailRepository.findByMemberId(memberId);
-        mailRepository.delete(mail);
+        if (mailRepository.existsByMemberId(memberId)) {
+            Mail mail = mailRepository.findByMemberId(memberId);
+            mailRepository.delete(mail);
+        }
     }
 }