--- loncom/interface/lontiny.pm	2018/04/14 02:29:44	1.2
+++ loncom/interface/lontiny.pm	2018/05/10 03:49:51	1.3
@@ -2,7 +2,7 @@
 # Extract domain, courseID, and symb from a shortened URL,
 # and switch role to a role in designated course.
 #
-# $Id: lontiny.pm,v 1.2 2018/04/14 02:29:44 raeburn Exp $
+# $Id: lontiny.pm,v 1.3 2018/05/10 03:49:51 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -276,13 +276,16 @@ ENDJS
 
 sub generic_error {
     my ($r) = @_;
-    my $linktext;
-    if ($env{'user.adv'}) {
-        $linktext = &mt('Continue to your roles page');
-    } else {
-        $linktext = &mt('Continue to your courses page');
+    my $continuelink;
+    unless ($env{'request.lti.login'}) {
+        my $linktext;
+        if ($env{'user.adv'}) {
+            $linktext = &mt('Continue to your roles page');
+        } else {
+            $linktext = &mt('Continue to your courses page');
+        }
+        $continuelink='<a href="/adm/roles">'.$linktext.'</a>';
     }
-    my $continuelink='<a href="/adm/roles">'.$linktext.'</a>';
     my $msg = &mt('The page you requested does not exist.');
     &Apache::loncommon::content_type($r,'text/html');
     $r->send_http_header;