diff --git a/htdocs/fourn/class/fournisseur.product.class.php b/htdocs/fourn/class/fournisseur.product.class.php
index 8d5a3474bf8..f24c7bf28c6 100644
--- a/htdocs/fourn/class/fournisseur.product.class.php
+++ b/htdocs/fourn/class/fournisseur.product.class.php
@@ -181,6 +181,7 @@ class ProductFournisseur extends Product
         {
 	  		$sql = "UPDATE ".MAIN_DB_PREFIX."product_fournisseur_price";
 			$sql.= " SET fk_user = " . $user->id." ,";
+            $sql.= " ref_fourn = \"" . $this->db->escape($ref_fourn) . "\",";
 			$sql.= " price = ".price2num($buyprice).",";
 			$sql.= " quantity = ".$qty.",";
 			$sql.= " remise_percent = ".$remise_percent.",";