diff --git a/addons/website_sale/models/sale_order.py b/addons/website_sale/models/sale_order.py
index 97e6a09a7a5..b56d7e24702 100644
--- a/addons/website_sale/models/sale_order.py
+++ b/addons/website_sale/models/sale_order.py
@@ -456,7 +456,7 @@ class Website(models.Model):
                 if code_pricelist:
                     pricelist_id = code_pricelist.id
                     update_pricelist = True
-            elif code is not None and sale_order.pricelist_id.code:
+            elif code is not None and sale_order.pricelist_id.code and code != sale_order.pricelist_id.code:
                 # code is not None when user removes code and click on "Apply"
                 pricelist_id = partner.property_product_pricelist.id
                 update_pricelist = True