diff --git a/htdocs/ticket/card.php b/htdocs/ticket/card.php
index 9ab82b0c3d8..2f3a79c59be 100644
--- a/htdocs/ticket/card.php
+++ b/htdocs/ticket/card.php
@@ -769,7 +769,7 @@ if (empty($action) || $action == 'view' || $action == 'addlink' || $action == 'd
         }
         if (!empty($object->origin_email)) {
         	$morehtmlref .= '<br>' . $langs->trans("CreatedBy") . ' : ';
-        	$morehtmlref .= $object->origin_email . ' <small>(' . $langs->trans("TicketEmailOriginIssuer") . ')</small>';
+        	$morehtmlref .= dol_escape_htmltag($object->origin_email) . ' <small>(' . $langs->trans("TicketEmailOriginIssuer") . ')</small>';
         }
 
         // Thirdparty