diff --git a/sale_order_price_recalculation/models/sale_order.py b/sale_order_price_recalculation/models/sale_order.py
index 48f85fbdf00..029a73b99ca 100644
--- a/sale_order_price_recalculation/models/sale_order.py
+++ b/sale_order_price_recalculation/models/sale_order.py
@@ -20,7 +20,7 @@ def recalculate_prices(self):
             # we make this to isolate changed values:
             line2.product_uom_change()
             line2._onchange_discount()
-            line.update({
+            line.write({
                 'price_unit': line2.price_unit,
                 'discount': line2.discount,
             })