diff --git a/addons/sale/models/sale.py b/addons/sale/models/sale.py
index 1169b137e1c..eb17fa23830 100644
--- a/addons/sale/models/sale.py
+++ b/addons/sale/models/sale.py
@@ -179,7 +179,7 @@ class SaleOrder(models.Model):
     amount_by_group = fields.Binary(string="Tax amount by group", compute='_amount_by_group', help="type: [(name, amount, base, formated amount, formated base)]")
     amount_tax = fields.Monetary(string='Taxes', store=True, readonly=True, compute='_amount_all')
     amount_total = fields.Monetary(string='Total', store=True, readonly=True, compute='_amount_all', track_visibility='always', track_sequence=6)
-    currency_rate = fields.Float("Currency Rate", compute='_compute_currency_rate', store=True, digits=(12, 6), readonly=True, help='The rate of the currency to the currency of rate 1 applicable at the date of the order')
+    currency_rate = fields.Float("Currency Rate", compute='_compute_currency_rate', compute_sudo=True, store=True, digits=(12, 6), readonly=True, help='The rate of the currency to the currency of rate 1 applicable at the date of the order')
 
     payment_term_id = fields.Many2one('account.payment.term', string='Payment Terms', oldname='payment_term')
     fiscal_position_id = fields.Many2one('account.fiscal.position', oldname='fiscal_position', string='Fiscal Position')