diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/member/MemberService.kt b/src/main/kotlin/kr/co/vividnext/sodalive/member/MemberService.kt
index b8d7bfd..b7feb09 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/member/MemberService.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/member/MemberService.kt
@@ -343,7 +343,7 @@ class MemberService(
 
         return repository.findByNicknameAndOtherCondition(nickname, memberId)
             .asSequence()
-            .filter { blockMemberRepository.isBlocked(blockedMemberId = memberId, memberId = it.id!!) }
+            .filter { !blockMemberRepository.isBlocked(blockedMemberId = memberId, memberId = it.id!!) }
             .map {
                 GetRoomDetailUser(it, cloudFrontHost)
             }