diff --git a/websocket-sharp/Net/EndPointListener.cs b/websocket-sharp/Net/EndPointListener.cs
index b5f2b354..33f31db9 100644
--- a/websocket-sharp/Net/EndPointListener.cs
+++ b/websocket-sharp/Net/EndPointListener.cs
@@ -253,7 +253,7 @@ namespace WebSocketSharp.Net
         processAccepted (sock, lsnr);
 
       if (!ret)
-        onAccept (sender, args);
+        onAccept (sender, e);
     }
 
     private static void processAccepted (Socket socket, EndPointListener listener)