--- rat/lonsequence.pm	2019/01/16 20:23:42	1.51
+++ rat/lonsequence.pm	2020/09/03 12:14:30	1.52
@@ -2,7 +2,7 @@
 #
 # Sequence Handler
 #
-# $Id: lonsequence.pm,v 1.51 2019/01/16 20:23:42 raeburn Exp $
+# $Id: lonsequence.pm,v 1.52 2020/09/03 12:14:30 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -417,8 +417,12 @@ sub handler {
       if ($is_encrypted) {
           $showdisurl = &Apache::lonenc::encrypted($disurl);
       }
-      &Apache::lonnet::symblist($requrl,$disurl => [$disurl,$dismapid],
-				'last_known' => [$disurl,$dismapid]); 
+      if ($disurl =~ m{/adm/navmaps(\?|$)}) {
+          &Apache::lonnet::symblist($requrl,$disurl => [$disurl,$dismapid]);
+      } else {
+          &Apache::lonnet::symblist($requrl,$disurl => [$disurl,$dismapid],
+                                    'last_known' => [$disurl,$dismapid]);
+      }
       &Apache::loncommon::content_type($r,'text/html');
       $r->header_out(Location => &Apache::lonnet::absolute_url($ENV{'SERVER_NAME'}).
                                  $showdisurl);