diff --git a/addons/point_of_sale/models/pos_order.py b/addons/point_of_sale/models/pos_order.py
index 4a6f4b5528a..565a6f0560a 100644
--- a/addons/point_of_sale/models/pos_order.py
+++ b/addons/point_of_sale/models/pos_order.py
@@ -1134,7 +1134,7 @@ class ReportSaleDetails(models.AbstractModel):
                 products_sold[key] += line.qty
 
                 if line.tax_ids_after_fiscal_position:
-                    line_taxes = line.tax_ids_after_fiscal_position.compute_all(line.price_unit * (1-(line.discount or 0.0)/100.0), currency, line.qty, product=line.product_id, partner=line.order_id.partner_id or False)
+                    line_taxes = line.tax_ids_after_fiscal_position.sudo().compute_all(line.price_unit * (1-(line.discount or 0.0)/100.0), currency, line.qty, product=line.product_id, partner=line.order_id.partner_id or False)
                     for tax in line_taxes['taxes']:
                         taxes.setdefault(tax['id'], {'name': tax['name'], 'tax_amount':0.0, 'base_amount':0.0})
                         taxes[tax['id']]['tax_amount'] += tax['amount']