diff --git a/addons/point_of_sale/models/res_company.py b/addons/point_of_sale/models/res_company.py
index ea778a88d15..2b4b5917d82 100644
--- a/addons/point_of_sale/models/res_company.py
+++ b/addons/point_of_sale/models/res_company.py
@@ -19,7 +19,7 @@ class ResCompany(models.Model):
         would trigger an error message saying that the period has been locked when
         trying to close them.
         """
-        pos_session_model = self.env['pos.session']
+        pos_session_model = self.env['pos.session'].sudo()
         for record in self:
             sessions_in_period = pos_session_model.search([('state', '!=', 'closed'), '|', ('start_at', '<=', record.period_lock_date), ('start_at', '<=', record.fiscalyear_lock_date)])
             if sessions_in_period: