diff --git a/htdocs/bom/bom_card.php b/htdocs/bom/bom_card.php
index ee619a589e3..6743ec3c761 100644
--- a/htdocs/bom/bom_card.php
+++ b/htdocs/bom/bom_card.php
@@ -181,24 +181,11 @@ if (empty($reshook)) {
 		}
 
 		if (!$error) {
-			$bomline = new BOMLine($db);
-			$bomline->fk_bom = $id;
-			$bomline->fk_product = $idprod;
-			$bomline->fk_bom_child = $bom_child_id;
-			$bomline->qty = $qty;
-			$bomline->qty_frozen = (int) $qty_frozen;
-			$bomline->disable_stock_change = (int) $disable_stock_change;
-			$bomline->efficiency = $efficiency;
 
-			// Rang to use
-			$rangmax = $object->line_max(0);
-			$ranktouse = $rangmax + 1;
+			$result = $object->addLine($idprod,$qty,$qty_frozen,$disable_stock_change,$efficiency,-1,$bom_child_id,null);
 
-			$bomline->position = ($ranktouse + 1);
-
-			$result = $bomline->create($user);
 			if ($result <= 0) {
-				setEventMessages($bomline->error, $bomline->errors, 'errors');
+				setEventMessages($object->error, $object->errors, 'errors');
 				$action = '';
 			} else {
 				unset($_POST['idprod']);
@@ -207,8 +194,6 @@ if (empty($reshook)) {
 				unset($_POST['disable_stock_change']);
 
 				$object->fetchLines();
-
-				$object->calculateCosts();
 			}
 		}
 	}