diff --git a/htdocs/eventorganization/conferenceorbooth_list.php b/htdocs/eventorganization/conferenceorbooth_list.php
index 679e0d2d735..ae7f3a5ae05 100644
--- a/htdocs/eventorganization/conferenceorbooth_list.php
+++ b/htdocs/eventorganization/conferenceorbooth_list.php
@@ -612,7 +612,7 @@ $newcardbutton = dolGetButtonTitle($langs->trans('New'), '', 'fa fa-plus-circle'
 print_barre_liste($title, $page, $_SERVER["PHP_SELF"], $param, $sortfield, $sortorder, $massactionbutton, $num, $nbtotalofrecords, $object->picto, 0, $newcardbutton, '', $limit, 0, 0, 1);
 
 // Add code for pre mass action (confirmation or email presend form)
-$topicmail = "SendConferenceOrBoothRef";
+$topicmail = $object->ref;
 $modelmail = "conferenceorbooth";
 $objecttmp = new ConferenceOrBooth($db);
 $trackid = 'conferenceorbooth_'.$object->id;