diff --git a/src/main/java/org/ntlab/tampoposerver/resources/ChatRoomsResource.java b/src/main/java/org/ntlab/tampoposerver/resources/ChatRoomsResource.java
index 83d2636..aa19255 100644
--- a/src/main/java/org/ntlab/tampoposerver/resources/ChatRoomsResource.java
+++ b/src/main/java/org/ntlab/tampoposerver/resources/ChatRoomsResource.java
@@ -78,7 +78,7 @@
             return Response.status(Response.Status.NOT_FOUND)
                     .entity(Map.of("error", "ユーザーが含まれるチャットルームが見つかりません")).build();
         }else{
-            return Response.ok(Map.of("chatRoomId", chatRoom.getChatRoomId())).build();
+            return Response.ok(chatRoom).build();
         }
     }