diff --git a/htdocs/fourn/class/api_supplier_orders.class.php b/htdocs/fourn/class/api_supplier_orders.class.php
index 895902b13b2..d75abb17e90 100644
--- a/htdocs/fourn/class/api_supplier_orders.class.php
+++ b/htdocs/fourn/class/api_supplier_orders.class.php
@@ -276,7 +276,7 @@ class SupplierOrders extends DolibarrApi
 			$this->order->$field = $value;
 		}
 
-		if ($this->order->update($id, DolibarrApiAccess::$user)) {
+		if ($this->order->update(DolibarrApiAccess::$user)) {
 			return $this->get($id);
 		}
 
diff --git a/htdocs/fourn/class/fournisseur.commande.class.php b/htdocs/fourn/class/fournisseur.commande.class.php
index d4e92fd8bf4..b2e06e77824 100644
--- a/htdocs/fourn/class/fournisseur.commande.class.php
+++ b/htdocs/fourn/class/fournisseur.commande.class.php
@@ -1448,6 +1448,109 @@ class CommandeFournisseur extends CommonOrder
 		}
 	}
 
+	/**
+	 *	Update Supplier Order
+	 *
+	 *	@param      User	$user        	User that modify
+	 *	@param      int		$notrigger	    0=launch triggers after, 1=disable triggers
+	 *	@return     int      			   	<0 if KO, >0 if OK
+	 */
+	public function update(User $user, $notrigger = 0)
+	{
+		global $conf;
+
+		$error = 0;
+
+		// Clean parameters
+		if (isset($this->ref)) {
+			$this->ref = trim($this->ref);
+		}
+		if (isset($this->ref_supplier)) {
+			$this->ref_supplier = trim($this->ref_supplier);
+		}
+		if (isset($this->note_private)) {
+			$this->note_private = trim($this->note_private);
+		}
+		if (isset($this->note_public)) {
+			$this->note_public = trim($this->note_public);
+		}
+		if (isset($this->model_pdf)) {
+			$this->model_pdf = trim($this->model_pdf);
+		}
+		if (isset($this->import_key)) {
+			$this->import_key = trim($this->import_key);
+		}
+
+		// Update request
+		$sql = "UPDATE ".MAIN_DB_PREFIX.$this->table_element." SET";
+
+		$sql .= " ref=".(isset($this->ref) ? "'".$this->db->escape($this->ref)."'" : "null").",";
+		$sql .= " ref_supplier=".(isset($this->ref_supplier) ? "'".$this->db->escape($this->ref_supplier)."'" : "null").",";
+		$sql .= " ref_ext=".(isset($this->ref_ext) ? "'".$this->db->escape($this->ref_ext)."'" : "null").",";
+		$sql .= " fk_soc=".(isset($this->socid) ? $this->socid : "null").",";
+		$sql .= " date_commande=".(strval($this->date_commande) != '' ? "'".$this->db->idate($this->date_commande)."'" : 'null').",";
+		$sql .= " date_valid=".(strval($this->date_validation) != '' ? "'".$this->db->idate($this->date_validation)."'" : 'null').",";
+		$sql .= " total_tva=".(isset($this->total_tva) ? $this->total_tva : "null").",";
+		$sql .= " localtax1=".(isset($this->total_localtax1) ? $this->total_localtax1 : "null").",";
+		$sql .= " localtax2=".(isset($this->total_localtax2) ? $this->total_localtax2 : "null").",";
+		$sql .= " total_ht=".(isset($this->total_ht) ? $this->total_ht : "null").",";
+		$sql .= " total_ttc=".(isset($this->total_ttc) ? $this->total_ttc : "null").",";
+		$sql .= " fk_statut=".(isset($this->statut) ? $this->statut : "null").",";
+		$sql .= " fk_user_author=".(isset($this->user_author_id) ? $this->user_author_id : "null").",";
+		$sql .= " fk_user_valid=".(isset($this->user_valid) ? $this->user_valid : "null").",";
+		$sql .= " fk_projet=".(isset($this->fk_project) ? $this->fk_project : "null").",";
+		$sql .= " fk_cond_reglement=".(isset($this->cond_reglement_id) ? $this->cond_reglement_id : "null").",";
+		$sql .= " fk_mode_reglement=".(isset($this->mode_reglement_id) ? $this->mode_reglement_id : "null").",";
+		$sql .= " date_livraison=".(strval($this->delivery_date) != '' ? "'".$this->db->idate($this->delivery_date)."'" : 'null').",";
+		//$sql .= " fk_shipping_method=".(isset($this->shipping_method_id) ? $this->shipping_method_id : "null").",";
+		$sql .= " fk_account=".($this->fk_account > 0 ? $this->fk_account : "null").",";
+		//$sql .= " fk_input_reason=".($this->demand_reason_id > 0 ? $this->demand_reason_id : "null").",";
+		$sql .= " note_private=".(isset($this->note_private) ? "'".$this->db->escape($this->note_private)."'" : "null").",";
+		$sql .= " note_public=".(isset($this->note_public) ? "'".$this->db->escape($this->note_public)."'" : "null").",";
+		$sql .= " model_pdf=".(isset($this->model_pdf) ? "'".$this->db->escape($this->model_pdf)."'" : "null").",";
+		$sql .= " import_key=".(isset($this->import_key) ? "'".$this->db->escape($this->import_key)."'" : "null")."";
+
+		$sql .= " WHERE rowid=".$this->id;
+
+		$this->db->begin();
+
+		dol_syslog(get_class($this)."::update", LOG_DEBUG);
+		$resql = $this->db->query($sql);
+		if (!$resql) {
+			$error++;
+			$this->errors[] = "Error ".$this->db->lasterror();
+		}
+
+		if (!$error) {
+			$result = $this->insertExtraFields();
+			if ($result < 0) {
+				$error++;
+			}
+		}
+
+		if (!$error && !$notrigger) {
+			// Call trigger
+			$result = $this->call_trigger('ORDER_SUPPLIER_MODIFY', $user);
+			if ($result < 0) {
+				$error++;
+			}
+			// End call triggers
+		}
+
+		// Commit or rollback
+		if ($error) {
+			foreach ($this->errors as $errmsg) {
+				dol_syslog(get_class($this)."::update ".$errmsg, LOG_ERR);
+				$this->error .= ($this->error ? ', '.$errmsg : $errmsg);
+			}
+			$this->db->rollback();
+			return -1 * $error;
+		} else {
+			$this->db->commit();
+			return 1;
+		}
+	}
+
 	/**
 	 *	Load an object from its id and create a new one in database
 	 *