diff --git a/modules/web_shop_shopify/sale.py b/modules/web_shop_shopify/sale.py
index 82b600ae7f..167a6e9460 100644
--- a/modules/web_shop_shopify/sale.py
+++ b/modules/web_shop_shopify/sale.py
@@ -836,8 +836,8 @@ class Sale_ShipmentCost(metaclass=PoolMeta):
             else:
                 if available_carriers:
                     carrier = available_carriers[0]
-                else:
-                    shipment_cost_method = None
+        if not carrier:
+            shipment_cost_method = None
         setattr_changed(self, 'carrier', carrier)
         setattr_changed(self, 'shipment_cost_method', shipment_cost_method)