diff --git a/vncviewer/OptionsDialog.cxx b/vncviewer/OptionsDialog.cxx
index 5fd6154..7543579 100644
--- a/vncviewer/OptionsDialog.cxx
+++ b/vncviewer/OptionsDialog.cxx
@@ -346,6 +346,8 @@
     }
   }
 
+  SecurityClient::secTypes.setParam(security.ToString());
+
   CSecurityTLS::x509ca.setParam(caInput->value());
   CSecurityTLS::x509crl.setParam(crlInput->value());
 #endif