diff --git a/htdocs/fourn/class/api_supplier_orders.class.php b/htdocs/fourn/class/api_supplier_orders.class.php
index cb2e27b1a97..c569e84c795 100644
--- a/htdocs/fourn/class/api_supplier_orders.class.php
+++ b/htdocs/fourn/class/api_supplier_orders.class.php
@@ -90,13 +90,14 @@ class SupplierOrders extends DolibarrApi
 	 * @param int		$limit		      Limit for list
 	 * @param int		$page		      Page number
 	 * @param string   	$thirdparty_ids	  Thirdparty ids to filter orders of (example '1' or '1,2,3') {@pattern /^[0-9,]*$/i}
+	 * @param string   	$product_ids	  Product ids to filter orders of (example '1' or '1,2,3') {@pattern /^[0-9,]*$/i}
 	 * @param string	$status		      Filter by order status : draft | validated | approved | running | received_start | received_end | cancelled | refused
 	 * @param string    $sqlfilters       Other criteria to filter answers separated by a comma. Syntax example "(t.ref:like:'SO-%') and (t.datec:<:'20160101')"
 	 * @return array                      Array of order objects
 	 *
 	 * @throws RestException
 	 */
-	public function index($sortfield = "t.rowid", $sortorder = 'ASC', $limit = 100, $page = 0, $thirdparty_ids = '', $status = '', $sqlfilters = '')
+	public function index($sortfield = "t.rowid", $sortorder = 'ASC', $limit = 100, $page = 0, $thirdparty_ids = '', $product_ids = '', $status = '', $sqlfilters = '')
 	{
 		global $db, $conf;
 
@@ -115,8 +116,11 @@ class SupplierOrders extends DolibarrApi
 
 		if ((!DolibarrApiAccess::$user->rights->societe->client->voir && !$socid) || $search_sale > 0) $sql.= ", ".MAIN_DB_PREFIX."societe_commerciaux as sc"; // We need this table joined to the select in order to filter by sale
 
+  		if (!empty($product_ids)) $sql.= ", ".MAIN_DB_PREFIX."commande_fournisseurdet as cd"; // We need this table joined to the select in order to filter by product
+
 		$sql.= ' WHERE t.entity IN ('.getEntity('supplier_order').')';
 		if ((!DolibarrApiAccess::$user->rights->societe->client->voir && !$socid) || $search_sale > 0) $sql.= " AND t.fk_soc = sc.fk_soc";
+		if (!empty($product_ids)) $sql.= " AND cd.fk_commande = t.rowid AND cd.fk_product IN (".$product_ids.")";
 		if ($socids) $sql.= " AND t.fk_soc IN (".$socids.")";
 		if ($search_sale > 0) $sql.= " AND t.rowid = sc.fk_soc";		// Join for the needed table to filter by sale