diff --git a/addons/sale/models/sale_order.py b/addons/sale/models/sale_order.py
index 1159bebbd10..c8ca70703c8 100644
--- a/addons/sale/models/sale_order.py
+++ b/addons/sale/models/sale_order.py
@@ -551,7 +551,7 @@ class SaleOrder(models.Model):
                 }
             }
 
-    @api.depends('pricelist_id', 'order_line')
+    @api.depends('pricelist_id')
     def _compute_show_update_pricelist(self):
         for order in self:
             order.show_update_pricelist = order.order_line and order.pricelist_id and order._origin.pricelist_id != self.pricelist_id
diff --git a/addons/sale/views/sale_order_views.xml b/addons/sale/views/sale_order_views.xml
index e52f8ae1fdd..3024b310559 100644
--- a/addons/sale/views/sale_order_views.xml
+++ b/addons/sale/views/sale_order_views.xml
@@ -257,7 +257,7 @@
                             <label for="date_order" string="Order Date"/>
                         </div>
                         <field name="date_order" attrs="{'required': [('state', 'in', ['sale', 'done'])], 'invisible': [('state', 'in', ['draft', 'sent'])]}" nolabel="1"/>
-                        <field name="show_update_pricelist" invisible="1"/>
+                        <field name="show_update_pricelist" invisible="1" force_save="1"/>
                         <label for="pricelist_id" groups="product.group_product_pricelist"/>
                         <div groups="product.group_product_pricelist" class="o_row">
                             <field name="pricelist_id" options="{'no_open':True,'no_create': True}"/>