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
diff --git a/win/winvnc/ManagedListener.cxx b/win/winvnc/ManagedListener.cxx
index 9bf1b9a..f2933bb 100644
--- a/win/winvnc/ManagedListener.cxx
+++ b/win/winvnc/ManagedListener.cxx
@@ -77,7 +77,7 @@
     return;
   try {
     if (port)
-      sock = new network::TcpListener(port, localOnly);
+      sock = new network::TcpListener(NULL, port, localOnly);
   } catch (rdr::Exception& e) {
     vlog.error(e.str());
   }