diff --git a/Server/Program.cs b/Server/Program.cs
index e203b3b..0c67d9b 100644
--- a/Server/Program.cs
+++ b/Server/Program.cs
@@ -42,7 +42,8 @@ builder.Services.AddDbContextPool<WonderkingContext>(o =>
 builder.Services.AddSingleton<ILoggerFactory>(loggerFactory);
 builder.Services.AddSingleton<PacketDistributorService>();
 builder.Services.AddSingleton<ItemObjectPoolService>();
-builder.Services.AddHostedService<ItemObjectPoolService>();
+builder.Services.AddHostedService(provider =>
+    provider.GetService<ItemObjectPoolService>() ?? throw new InvalidOperationException());
 builder.Services.AddHostedService(provider =>
     provider.GetService<PacketDistributorService>() ?? throw new InvalidOperationException());
 builder.Services.AddMassTransit(x =>