diff --git a/unix/vncviewer/vncviewer.cxx b/unix/vncviewer/vncviewer.cxx
index 9cbe295..720c8a1 100644
--- a/unix/vncviewer/vncviewer.cxx
+++ b/unix/vncviewer/vncviewer.cxx
@@ -303,6 +303,8 @@
   char* vncServerName = 0;
   Display* dpy = 0;
 
+  Configuration::enableViewerParams();
+
   for (int i = 1; i < argc; i++) {
     if (Configuration::setParam(argv[i]))
       continue;