diff --git a/win/vncviewer/CConnOptions.cxx b/win/vncviewer/CConnOptions.cxx
index f4085b4..3152db9 100644
--- a/win/vncviewer/CConnOptions.cxx
+++ b/win/vncviewer/CConnOptions.cxx
@@ -501,6 +501,7 @@
   qualityLevel = o.qualityLevel;
   autoScaling = o.autoScaling;
   scale = o.scale;
+  secTypes = o.secTypes;
 
   return *this;
 }