diff --git a/websocket-sharp/Net/HttpListener.cs b/websocket-sharp/Net/HttpListener.cs
index 2758617d..159301d7 100644
--- a/websocket-sharp/Net/HttpListener.cs
+++ b/websocket-sharp/Net/HttpListener.cs
@@ -586,7 +586,7 @@ namespace WebSocketSharp.Net
         return false;
       }
 
-      var realm = GetRealm ();
+      var realm = getRealm ();
       var user = HttpUtility.CreateUser (
                    req.Headers["Authorization"],
                    schm,