diff --git a/htdocs/core/class/html.formticket.class.php b/htdocs/core/class/html.formticket.class.php
index 5045660df0b..c9217b1ffb2 100644
--- a/htdocs/core/class/html.formticket.class.php
+++ b/htdocs/core/class/html.formticket.class.php
@@ -1041,7 +1041,7 @@ class FormTicket
 
         // Attached files
         if (!empty($this->withfile)) {
-            $out .= '<tr>';
+            $out = '<tr>';
             $out .= '<td width="180">' . $langs->trans("MailFile") . '</td>';
             $out .= '<td colspan="2">';
             // TODO Trick to have param removedfile containing nb of image to delete. But this does not works without javascript