diff --git a/win/vncviewer/CConnOptions.h b/win/vncviewer/CConnOptions.h
index d010d17..76f0d68 100644
--- a/win/vncviewer/CConnOptions.h
+++ b/win/vncviewer/CConnOptions.h
@@ -24,8 +24,11 @@
 #ifndef __RFB_WIN32_CCONN_OPTIONS_H__
 #define __RFB_WIN32_CCONN_OPTIONS_H__
 
+#include <rdr/types.h>
 #include <rfb/Password.h>
 
+#include <list>
+
 namespace rfb {
 
   namespace win32 {
@@ -69,6 +72,7 @@
       bool acceptBell;
       bool autoScaling;
       int scale;
+      std::list<rdr::U32> secTypes;
       CharArray userName;
       void setUserName(const char* user);
       PlainPasswd password;