diff --git a/addons/point_of_sale/models/pos_order.py b/addons/point_of_sale/models/pos_order.py
index dca446cb498..61c903d36e8 100644
--- a/addons/point_of_sale/models/pos_order.py
+++ b/addons/point_of_sale/models/pos_order.py
@@ -366,6 +366,8 @@ class PosOrder(models.Model):
     @api.onchange('payment_ids', 'lines')
     def _onchange_amount_all(self):
         for order in self:
+            if not order.pricelist_id.currency_id:
+                raise UserError(_("You can't: create a pos order from the backend interface, or unset the pricelist, or create a pos.order in a python test with Form tool, or edit the form view in studio if no PoS order exist"))
             currency = order.pricelist_id.currency_id
             order.amount_paid = sum(payment.amount for payment in order.payment_ids)
             order.amount_return = sum(payment.amount < 0 and payment.amount or 0 for payment in order.payment_ids)