diff --git a/addons/account/models/partner.py b/addons/account/models/partner.py
index 6faeea18012..2dabdcb3d73 100644
--- a/addons/account/models/partner.py
+++ b/addons/account/models/partner.py
@@ -658,7 +658,7 @@ class ResPartner(models.Model):
 
     def _has_invoice(self):
         self.ensure_one()
-        invoice = self.env['account.move'].search([
+        invoice = self.env['account.move'].sudo().search([
             ('move_type', 'in', ['out_invoice', 'out_refund']),
             ('partner_id', 'child_of', self.commercial_partner_id.id),
             ('state', '=', 'posted')
diff --git a/addons/sale/models/res_partner.py b/addons/sale/models/res_partner.py
index 5eca164e6cf..ed51555ceed 100644
--- a/addons/sale/models/res_partner.py
+++ b/addons/sale/models/res_partner.py
@@ -38,7 +38,7 @@ class ResPartner(models.Model):
 
     def _has_order(self):
         self.ensure_one()
-        sale_order = self.env['sale.order'].search([
+        sale_order = self.env['sale.order'].sudo().search([
             ('partner_id', 'child_of', self.commercial_partner_id.id),
             ('state', 'in', ['sent', 'sale'])
         ], limit=1)