diff --git a/AmiyaBotPlayerRatingServer/RealtimeHubs/GameHub.cs b/AmiyaBotPlayerRatingServer/RealtimeHubs/GameHub.cs
index d463c81..1461366 100644
--- a/AmiyaBotPlayerRatingServer/RealtimeHubs/GameHub.cs
+++ b/AmiyaBotPlayerRatingServer/RealtimeHubs/GameHub.cs
@@ -378,7 +378,7 @@ await Clients.Group(gameId).SendAsync("GameCompleted", JsonConvert.SerializeObje
                 }));
             }
 
-            await Clients.Group(gameId).SendAsync("GameClosed", ret);
+            await Clients.Group(gameId).SendAsync("GameClosed",JsonConvert.SerializeObject(ret));
         }
 
         [Authorize(AuthenticationSchemes = JwtBearerDefaults.AuthenticationScheme)]