diff --git a/Assets/Mirror/Authenticators/BasicAuthenticator.cs b/Assets/Mirror/Authenticators/BasicAuthenticator.cs
index 4e510c26b..1716898df 100644
--- a/Assets/Mirror/Authenticators/BasicAuthenticator.cs
+++ b/Assets/Mirror/Authenticators/BasicAuthenticator.cs
@@ -111,7 +111,7 @@ public void OnAuthRequestMessage(NetworkConnection conn, AuthRequestMessage msg)
                 conn.isAuthenticated = false;
 
                 // disconnect the client after 1 second so that response message gets delivered
-                StartCoroutine(DelayedDisconnect(conn, 1));
+                StartCoroutine(DelayedDisconnect(conn, 1f));
             }
         }