diff --git a/htdocs/commande/class/commande.class.php b/htdocs/commande/class/commande.class.php
index 5785e73bac4..03ca41027d6 100644
--- a/htdocs/commande/class/commande.class.php
+++ b/htdocs/commande/class/commande.class.php
@@ -2234,7 +2234,7 @@ class Commande extends CommonOrder
         	$this->db->begin();
 
             $sql = "UPDATE ".MAIN_DB_PREFIX."commande";
-            $sql.= " SET date_commande = ".($date ? $this->db->idate($date) : 'null');
+            $sql.= " SET date_commande = ".($date ? "'".$this->db->idate($date)."'" : 'null');
             $sql.= " WHERE rowid = ".$this->id." AND fk_statut = ".self::STATUS_DRAFT;
 
             dol_syslog(__METHOD__, LOG_DEBUG);
diff --git a/htdocs/compta/paiement/cheque/class/remisecheque.class.php b/htdocs/compta/paiement/cheque/class/remisecheque.class.php
index 20afa14e0ca..03dffbabf34 100644
--- a/htdocs/compta/paiement/cheque/class/remisecheque.class.php
+++ b/htdocs/compta/paiement/cheque/class/remisecheque.class.php
@@ -861,8 +861,8 @@ class RemiseCheque extends CommonObject
         if ($user->rights->banque->cheque)
         {
             $sql = "UPDATE ".MAIN_DB_PREFIX."bordereau_cheque";
-            $sql.= " SET date_bordereau = ".($date ? $this->db->idate($date) : 'null');
-            $sql.= " WHERE rowid = ".$this->id;
+            $sql.= " SET date_bordereau = '".($date ? $this->db->idate($date) : 'null');
+            $sql.= "' WHERE rowid = ".$this->id;
 
             dol_syslog("RemiseCheque::set_date", LOG_DEBUG);
             $resql=$this->db->query($sql);