diff --git a/htdocs/bom/class/bom.class.php b/htdocs/bom/class/bom.class.php
index 0e57bebd922..e414954d1a5 100644
--- a/htdocs/bom/class/bom.class.php
+++ b/htdocs/bom/class/bom.class.php
@@ -1058,8 +1058,10 @@ class BOM extends CommonObject
 						return -1;
 					}
 					$line->unit_cost = price2num((!empty($tmpproduct->cost_price)) ? $tmpproduct->cost_price : $tmpproduct->pmp);
-					if (empty($line->unit_cost)) {
-						if ($productFournisseur->find_min_price_product_fournisseur($line->fk_product) > 0) {
+					if ((empty($line->unit_cost)) && ($productFournisseur->find_min_price_product_fournisseur($line->fk_product) > 0)) {
+						if ($productFournisseur->fourn_remise_percent != "0") {
+							$line->unit_cost = $productFournisseur->fourn_unitprice_with_discount;
+						} else {
 							$line->unit_cost = $productFournisseur->fourn_unitprice;
 						}
 					}