diff --git a/OpenRA.Game/Server/Server.cs b/OpenRA.Game/Server/Server.cs
index c09acbd3c9..0ef2a61156 100644
--- a/OpenRA.Game/Server/Server.cs
+++ b/OpenRA.Game/Server/Server.cs
@@ -499,10 +499,16 @@ namespace OpenRA.Server
 											profile.ProfileName, profile.ProfileID);
 									}
 									else if (profile.KeyRevoked)
+									{
+										profile = null;
 										Log.Write("server", "{0} failed to authenticate as {1} (key revoked)", newConn.Socket.RemoteEndPoint, handshake.Fingerprint);
+									}
 									else
+									{
+										profile = null;
 										Log.Write("server", "{0} failed to authenticate as {1} (signature verification failed)",
 											newConn.Socket.RemoteEndPoint, handshake.Fingerprint);
+									}
 								}
 								else
 									Log.Write("server", "{0} failed to authenticate as {1} (invalid server response: `{2}` is not `Player`)",