--- loncom/auth/lonroles.pm	2018/12/08 16:34:15	1.341
+++ loncom/auth/lonroles.pm	2018/12/27 20:10:44	1.342
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # User Roles Screen
 #
-# $Id: lonroles.pm,v 1.341 2018/12/08 16:34:15 raeburn Exp $
+# $Id: lonroles.pm,v 1.342 2018/12/27 20:10:44 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -721,9 +721,11 @@ ENDENTERKEY
                                             if (($dest =~ m{^\Q/public/$cdom/$cnum/syllabus\E.*(\?|\&)usehttp=1}) ||
                                                 ($dest =~ m{^\Q/adm/wrapper/ext/\E(?!https:)})) {
                                                 if ($ENV{'SERVER_PORT'} == 443) {
-                                                    my $hostname = $r->hostname();
-                                                    if ($hostname ne '') {
-                                                        $dest = 'http://'.$hostname.$dest;
+                                                    unless (&Apache::lonnet::uses_sts()) {
+                                                        my $hostname = $r->hostname();
+                                                        if ($hostname ne '') {
+                                                            $dest = 'http://'.$hostname.$dest;
+                                                        }
                                                     }
                                                 }
                                             }