--- loncom/lontrans.pm	2021/07/17 20:34:15	1.32
+++ loncom/lontrans.pm	2021/07/17 21:48:27	1.33
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # URL translation for User Files
 #
-# $Id: lontrans.pm,v 1.32 2021/07/17 20:34:15 raeburn Exp $
+# $Id: lontrans.pm,v 1.33 2021/07/17 21:48:27 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -111,6 +111,9 @@ sub handler {
                     $protocol = 'https';
                 }
                 my $querystring = $r->args;
+                if ($uri =~ m{^(/adm/css/)(.+)(.css)$}) {
+                    $uri = $1.&escape($2).$3;
+                }
                 my $location = $protocol.'://'.$redirect.$uri;
                 if ($querystring) {
                     $location .= "?$querystring";