diff --git a/app.py b/app.py
index 7659c64..4c1cd5e 100644
--- a/app.py
+++ b/app.py
@@ -845,6 +845,8 @@ def handle_join(data):
     list_title = shopping_list.title if shopping_list else "Twoja lista"
 
     emit('user_joined', {'username': username}, to=room)
+    print(f"✅ [join_list] Wysyłam joined_confirmation do pokoju: {room}")
+
     emit('joined_confirmation', {'room': room, 'list_title': list_title})
 
 @socketio.on('add_item')