diff --git a/app/src/main/java/com/example/tampopo_client/views/ChatActivity.java b/app/src/main/java/com/example/tampopo_client/views/ChatActivity.java
index 4d1dfbc..73b36f7 100644
--- a/app/src/main/java/com/example/tampopo_client/views/ChatActivity.java
+++ b/app/src/main/java/com/example/tampopo_client/views/ChatActivity.java
@@ -46,6 +46,7 @@
 
     ChatViewModelFactory factory1 = new ChatViewModelFactory(tampopo.getUserId(), tampopo.getToken());
     chatViewModel = new ViewModelProvider(this, factory1).get(ChatViewModel.class);
+    chatViewModel.setChatRoomId(tampopo.getChatroomId());
 
     senderMessage = findViewById(R.id.sender_message);
     receiverMessage = findViewById(R.id.receiver_message);