--- loncom/interface/loncoursegroups.pm	2010/02/23 14:18:12	1.110
+++ loncom/interface/loncoursegroups.pm	2010/08/29 22:59:49	1.111
@@ -1,6 +1,6 @@
 # The LearningOnline Network with CAPA
 #
-# $Id: loncoursegroups.pm,v 1.110 2010/02/23 14:18:12 raeburn Exp $
+# $Id: loncoursegroups.pm,v 1.111 2010/08/29 22:59:49 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -333,7 +333,8 @@ END
                         $link .= $group;
                     } else {
                         $link .= 
-                            &Apache::longroup::get_group_link($cdom,$cnum,$group,$navmap).'&ref=grouplist';
+                            &Apache::longroup::get_group_link($cdom,$cnum,$group,$navmap);
+                        $link .= (($link=~/\?/)?'&':'?').'ref=grouplist';
                         if (exists($env{'form.refpage'})) {
                             $link .= '&refpage='.$env{'form.refpage'};
                         }