diff --git a/addons/account/models/account_move.py b/addons/account/models/account_move.py
index c3fa9fe25ea..4038fba9ca7 100644
--- a/addons/account/models/account_move.py
+++ b/addons/account/models/account_move.py
@@ -1843,7 +1843,6 @@ class AccountMove(models.Model):
                                                                 }
             }
         """
-        lang_env = self.with_context(lang=partner.lang).env
         account_tax = self.env['account.tax']
 
         grouped_taxes = defaultdict(lambda: defaultdict(lambda: {'base_amount': 0.0, 'tax_amount': 0.0, 'base_line_keys': set()}))
@@ -1889,8 +1888,8 @@ class AccountMove(models.Model):
                 'tax_group_name': group.name,
                 'tax_group_amount': amounts['tax_amount'],
                 'tax_group_base_amount': amounts['base_amount'],
-                'formatted_tax_group_amount': formatLang(lang_env, amounts['tax_amount'], currency_obj=currency),
-                'formatted_tax_group_base_amount': formatLang(lang_env, amounts['base_amount'], currency_obj=currency),
+                'formatted_tax_group_amount': formatLang(self.env, amounts['tax_amount'], currency_obj=currency),
+                'formatted_tax_group_base_amount': formatLang(self.env, amounts['base_amount'], currency_obj=currency),
                 'tax_group_id': group.id,
                 'group_key': '%s-%s' %(subtotal_title, group.id),
             } for group, amounts in sorted(groups.items(), key=lambda l: l[0].sequence)]
@@ -1905,7 +1904,7 @@ class AccountMove(models.Model):
             subtotals_list.append({
                 'name': subtotal_title,
                 'amount': subtotal_value,
-                'formatted_amount': formatLang(lang_env, subtotal_value, currency_obj=currency),
+                'formatted_amount': formatLang(self.env, subtotal_value, currency_obj=currency),
             })
 
             subtotal_tax_amount = sum(group_val['tax_group_amount'] for group_val in groups_by_subtotal[subtotal_title])
@@ -1915,8 +1914,8 @@ class AccountMove(models.Model):
         return {
             'amount_total': amount_total,
             'amount_untaxed': amount_untaxed,
-            'formatted_amount_total': formatLang(lang_env, amount_total, currency_obj=currency),
-            'formatted_amount_untaxed': formatLang(lang_env, amount_untaxed, currency_obj=currency),
+            'formatted_amount_total': formatLang(self.env, amount_total, currency_obj=currency),
+            'formatted_amount_untaxed': formatLang(self.env, amount_untaxed, currency_obj=currency),
             'groups_by_subtotal': groups_by_subtotal,
             'subtotals': subtotals_list,
             'allow_tax_edition': False,
diff --git a/addons/account/views/report_invoice.xml b/addons/account/views/report_invoice.xml
index b3e91d1d7f6..a15820bde5f 100644
--- a/addons/account/views/report_invoice.xml
+++ b/addons/account/views/report_invoice.xml
@@ -259,7 +259,7 @@
         <template id="report_invoice">
             <t t-call="web.html_container">
                 <t t-foreach="docs" t-as="o">
-                    <t t-set="lang" t-value="o.invoice_user_id.sudo().lang if o.move_type in ('in_invoice', 'in_refund') else o.partner_id.lang"/>
+                    <t t-set="lang" t-value="o.partner_id.lang"/>
                     <t t-if="o._get_name_invoice_report() == 'account.report_invoice_document'"
                         t-call="account.report_invoice_document" t-lang="lang"/>
                 </t>
@@ -269,7 +269,7 @@
         <template id="report_invoice_with_payments">
             <t t-call="web.html_container">
                 <t t-foreach="docs" t-as="o">
-                    <t t-set="lang" t-value="o.invoice_user_id.sudo().lang if o.move_type in ('in_invoice', 'in_refund') else o.partner_id.lang"/>
+                    <t t-set="lang" t-value="o.partner_id.lang"/>
                     <t t-set="print_with_payments" t-value="True"/>
                     <t t-if="o._get_name_invoice_report() == 'account.report_invoice_document'"
                         t-call="account.report_invoice_document" t-lang="lang"/>