diff --git a/app.py b/app.py
index 3530892..226d530 100644
--- a/app.py
+++ b/app.py
@@ -245,6 +245,7 @@ async def join(request, room_id):
                 "code": "FULL",
                 "error": "Room Full",
                 "board": room.board.serialize(),
+                "ready": len(room.players) == 2,
                 "turn": room.turn.value,
                 "state": room.state.value,
                 "start_time": (