diff --git a/htdocs/ticket/card.php b/htdocs/ticket/card.php
index 5c5e6525a6f..940cd869da3 100755
--- a/htdocs/ticket/card.php
+++ b/htdocs/ticket/card.php
@@ -962,7 +962,9 @@ if ($action == 'create' || $action == 'presend') {
 				$morehtmlref .= '<a class="editfielda" href="'.$url_page_current.'?action=editcustomer&token='.newToken().'&track_id='.$object->track_id.'">'.img_edit($langs->transnoentitiesnoconv('SetThirdParty'), 0).'</a> ';
 			}
 			$morehtmlref .= $form->form_thirdparty($url_page_current.'?track_id='.$object->track_id, $object->socid, $action == 'editcustomer' ? 'editcustomer' : 'none', '', 1, 0, 0, array(), 1);
-			$morehtmlref .= ' - <a href="'.DOL_URL_ROOT.'/ticket/list.php?socid='.$object->socid.'&sortfield=t.datec&sortorder=desc">'.img_picto($langs->trans("Tickets"), 'ticket', 'class="pictofixedwidth"').' '.$langs->trans("TicketHistory").'</a>';
+			if (!empty($object->socid)) {
+				$morehtmlref .= ' - <a href="'.DOL_URL_ROOT.'/ticket/list.php?socid='.$object->socid.'&sortfield=t.datec&sortorder=desc">'.img_picto($langs->trans("Tickets"), 'ticket', 'class="pictofixedwidth"').' '.$langs->trans("TicketHistory").'</a>';
+			}
 		}
 
 		// Project