diff --git a/htdocs/contact/list.php b/htdocs/contact/list.php
index 59f504ec886..3a53fad67a8 100644
--- a/htdocs/contact/list.php
+++ b/htdocs/contact/list.php
@@ -809,7 +809,7 @@ print '<input type="hidden" name="sortorder" value="'.$sortorder.'">';
 //print '<input type="hidden" name="page" value="'.$page.'">';
 print '<input type="hidden" name="type" value="'.$type.'">';
 print '<input type="hidden" name="view" value="'.dol_escape_htmltag($view).'">';
-print '<input type="hidden" name="mode" value="'.$mode;
+print '<input type="hidden" name="mode" value="'.$mode.'">';
 
 
 print_barre_liste($title, $page, $_SERVER["PHP_SELF"], $param, $sortfield, $sortorder, $massactionbutton, $num, $nbtotalofrecords, 'address', 0, $newcardbutton, '', $limit, 0, 0, 1);