diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/chat/room/service/ChatRoomService.kt b/src/main/kotlin/kr/co/vividnext/sodalive/chat/room/service/ChatRoomService.kt
index 6437c41..34d852e 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/chat/room/service/ChatRoomService.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/chat/room/service/ChatRoomService.kt
@@ -297,7 +297,7 @@ class ChatRoomService(
         return fetchSessionActive(room.sessionId)
     }
 
-    @Transactional(readOnly = true)
+    @Transactional
     fun enterChatRoom(member: Member, chatRoomId: Long): ChatRoomEnterResponse {
         val room = chatRoomRepository.findById(chatRoomId).orElseThrow {
             SodaException("채팅방을 찾을 수 없습니다.")