diff --git a/Assets/Mirror/Authenticators/BasicAuthenticator.cs b/Assets/Mirror/Authenticators/BasicAuthenticator.cs
index 3c077c79c..92ff68c77 100644
--- a/Assets/Mirror/Authenticators/BasicAuthenticator.cs
+++ b/Assets/Mirror/Authenticators/BasicAuthenticator.cs
@@ -16,7 +16,7 @@ public class BasicAuthenticator : NetworkAuthenticator
         public string username;
         public string password;
 
-        readonly HashSet<NetworkConnection> connectionsPendingDisconnect = new HashSet<NetworkConnection>();
+        readonly HashSet<NetworkConnectionToClient> connectionsPendingDisconnect = new HashSet<NetworkConnectionToClient>();
 
         #region Messages