diff --git a/htdocs/commande/class/commande.class.php b/htdocs/commande/class/commande.class.php
index c70e8b9e883..d87e944e10c 100644
--- a/htdocs/commande/class/commande.class.php
+++ b/htdocs/commande/class/commande.class.php
@@ -484,7 +484,7 @@ class Commande extends CommonOrder
             $sql = 'UPDATE '.MAIN_DB_PREFIX.'commande';
             $sql.= ' SET fk_statut = 3,';
             $sql.= ' fk_user_cloture = '.$user->id.',';
-            $sql.= ' date_cloture = '.$this->db->idate($now);
+            $sql.= " date_cloture = '".$this->db->idate($now)."'";
             $sql.= ' WHERE rowid = '.$this->id.' AND fk_statut > 0';
 
             if ($this->db->query($sql))