diff --git a/mashup-domain/src/main/java/kr/mashup/branding/service/member/MemberService.java b/mashup-domain/src/main/java/kr/mashup/branding/service/member/MemberService.java
index b7b12a47..08d569c0 100644
--- a/mashup-domain/src/main/java/kr/mashup/branding/service/member/MemberService.java
+++ b/mashup-domain/src/main/java/kr/mashup/branding/service/member/MemberService.java
@@ -363,12 +363,14 @@ public List<Member> getAllByBirthdaySender(Generation generation) {
         }
 
         List<Member> senders = memberRepository.findAllActiveByGeneration(generation);
-        senders.removeAll(recipients);
+        // 오늘 생일인 멤버가 한 명뿐인 경우, 그 멤버를 발신자 목록에서 제외
+        if (recipients.size() == 1) {
+            senders.removeAll(recipients);
+        }
 
         return senders;
     }
 
-
     @Transactional
     public void updatePushCheckTime(final Member member) {
         member.updatePushCheckTime(LocalDateTime.now());