--- loncom/interface/lonmenu.pm	2017/01/28 03:48:44	1.466
+++ loncom/interface/lonmenu.pm	2017/02/18 23:39:16	1.467
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Routines to control the menu
 #
-# $Id: lonmenu.pm,v 1.466 2017/01/28 03:48:44 raeburn Exp $
+# $Id: lonmenu.pm,v 1.467 2017/02/18 23:39:16 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -503,6 +503,10 @@ sub secondary_menu {
                 } else {
                     $$menuitem[0] =~ s{\?register=1}{};
                 }
+                if (($ENV{'SERVER_PORT'} == 443) &&
+                    ($env{'course.'.$env{'request.course.id'}.'.externalsyllabus'} =~ m{^http://})) {
+                    $$menuitem[0] .= ($$menuitem[0]=~/\?/) ? '&' : '?' . 'usehttp=1';
+                }
             }
             $menu .= &prep_menuitem(\@$menuitem);
         }