diff --git a/win/vncviewer/vncviewer.cxx b/win/vncviewer/vncviewer.cxx
index 060e8a1..f82dd25 100644
--- a/win/vncviewer/vncviewer.cxx
+++ b/win/vncviewer/vncviewer.cxx
@@ -239,7 +239,7 @@
         ListenTrayIcon tray;
 
         // Listen for reverse connections
-        network::TcpListener sock(port);
+        network::TcpListener sock(NULL, port);
         ListenServer listener(&sock);
 
         // Run the view manager