diff --git a/app/src/main/java/com/example/tampopo_client/views/FriendIconView.java b/app/src/main/java/com/example/tampopo_client/views/FriendIconView.java
index 0fb5746..e4c197e 100644
--- a/app/src/main/java/com/example/tampopo_client/views/FriendIconView.java
+++ b/app/src/main/java/com/example/tampopo_client/views/FriendIconView.java
@@ -168,9 +168,14 @@
 
             // 通話を開始する
             Tampopo tampopo = (Tampopo) ((MainActivity) getContext()).getApplication();
-            String chatroomId = chatViewModel.enterChatroom(tampopo.getUserId(), friendUserId, tampopo.getToken());
-            tampopo.setChatroomId(chatroomId);
-            tampopo.setChatFriendId(friendUserId);
+            new Thread(new Runnable() {
+                @Override
+                public void run() {
+                    String chatroomId = chatViewModel.enterChatroom(tampopo.getUserId(), friendUserId, tampopo.getToken());
+                    tampopo.setChatroomId(chatroomId);
+                    tampopo.setChatFriendId(friendUserId);
+                }
+            }).start();
 
             // ChatActivityに画面遷移する
             Context ctx = getContext();