--- loncom/interface/lonmenu.pm	2022/09/13 12:22:14	1.527
+++ loncom/interface/lonmenu.pm	2022/10/27 20:33:31	1.528
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Routines to control the menu
 #
-# $Id: lonmenu.pm,v 1.527 2022/09/13 12:22:14 raeburn Exp $
+# $Id: lonmenu.pm,v 1.528 2022/10/27 20:33:31 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -935,7 +935,12 @@ sub innerregister {
                 if ($env{'form.title'}) {
                     $title = $env{'form.title'};
                 }
-                my $trail;
+                my ($trail,$cnum,$cdom);
+                if ($env{'form.folderpath'}) {
+                    $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+                    $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+                    &Apache::loncommon::validate_folderpath(1,'',$cnum,$cdom);
+                }
                 if ($env{'form.folderpath'}) {
                     &prepare_functions($resurl,$forcereg,$group,undef,undef,1,$hostname);
                     ($trail) =