diff --git a/Server/Core/Packets/PacketHandler.cs b/Server/Core/Packets/PacketHandler.cs
index 6b397d06..ce1dd9ce 100644
--- a/Server/Core/Packets/PacketHandler.cs
+++ b/Server/Core/Packets/PacketHandler.cs
@@ -10,6 +10,9 @@ public static void HandlePacket(Client client, IPacket packet)
         {
             var type = packet.GetType();
 
+            if (client.Value == null)
+                return;
+
             if (!client.Value.IsAuthenticated)
             {
                 if (type == typeof(ClientPackets.GetAuthenticationResponse))