diff --git a/Chaos.Networking/Abstractions/ServerBase.cs b/Chaos.Networking/Abstractions/ServerBase.cs
index 6faf636..10ea7bd 100644
--- a/Chaos.Networking/Abstractions/ServerBase.cs
+++ b/Chaos.Networking/Abstractions/ServerBase.cs
@@ -147,10 +147,9 @@ public virtual ValueTask HandlePacketAsync(T client, in ClientPacket packet)
     {
         var handler = ClientHandlers[(byte)packet.OpCode];
 
-        if (handler is null)
-            return default;
-
-        return handler(client, in packet);
+        if (handler is not null) return handler(client, in packet);
+        client.Disconnect();
+        return default;
     }
 
     /// <summary>