diff --git a/vncviewer/parameters.cxx b/vncviewer/parameters.cxx
index 9a3bcd2..d386bd4 100644
--- a/vncviewer/parameters.cxx
+++ b/vncviewer/parameters.cxx
@@ -133,6 +133,10 @@
                                    "to the server when in full screen mode.",
                                    true);
 
+#ifndef WIN32
+StringParameter via("via", "Gateway to tunnel via", "");
+#endif
+
 const char* IDENTIFIER_STRING = "TigerVNC Configuration file Version 1.0";
 
 VoidParameter* parameterArray[] = {