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 da95864..2bd621d 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
@@ -154,13 +154,24 @@
 
             // 通話を開始する
             Tampopo tampopo = (Tampopo) ((MainActivity) getContext()).getApplication();
-//            String chatroomId = chatViewModel.enterChatroom(tampopo.getUserId(), friendUserId, tampopo.getToken());
-            tampopo.setChatFriendId(friendUserId);
-
-            // ChatActivityに画面遷移する
-            Context ctx = getContext();
-            Intent intent = new Intent(ctx, ChatActivity.class);
-            ctx.startActivity(intent);
+            new Thread(new Runnable() {
+                @Override
+                public void run() {
+                    String chatroomId = chatViewModel.enterChatroom(tampopo.getUserId(), friendUserId, tampopo.getToken());
+                    tampopo.setChatroomId(chatroomId);
+                    tampopo.setChatFriendId(friendUserId);
+                    Handler handler = new Handler(Looper.getMainLooper());
+                    handler.post(new Runnable() {
+                        @Override
+                        public void run() {
+                            // ChatActivityに画面遷移する
+                            Context ctx = getContext();
+                            Intent intent = new Intent(ctx, ChatActivity.class);
+                            ctx.startActivity(intent);
+                        }
+                    });
+                }
+            }).start();
         });
 
         // キャンセルボタン