diff --git a/addons/sale_stock_margin/models/sale_order_line.py b/addons/sale_stock_margin/models/sale_order_line.py
index 522ac89a28f..70f744b7478 100644
--- a/addons/sale_stock_margin/models/sale_order_line.py
+++ b/addons/sale_stock_margin/models/sale_order_line.py
@@ -14,5 +14,5 @@ class SaleOrderLine(models.Model):
             if not line.move_ids:
                 lines_without_moves |= line
             else:
-                line.purchase_price = line.product_id._compute_average_price(0, line.product_uom_qty, line.move_ids)
+                line.purchase_price = line.product_id.with_company(line.company_id)._compute_average_price(0, line.product_uom_qty, line.move_ids)
         return super(SaleOrderLine, lines_without_moves)._compute_purchase_price()