diff --git a/vncviewer/vncviewer.cxx b/vncviewer/vncviewer.cxx
index f076565..a9d4dfe 100644
--- a/vncviewer/vncviewer.cxx
+++ b/vncviewer/vncviewer.cxx
@@ -470,9 +470,9 @@
   int localPort = findFreeTcpPort();
   int remotePort;
 
-  gatewayHost = strDup(via.getValueStr());
   if (interpretViaParam(remoteHost, &remotePort, localPort) != 0)
     return 1;
+  gatewayHost = (const char*)via;
   createTunnel(gatewayHost, remoteHost, remotePort, localPort);
 
   return 0;