diff --git a/addons/point_of_sale/models/pos_session.py b/addons/point_of_sale/models/pos_session.py
index 2a9d7a7182f..31e39105612 100644
--- a/addons/point_of_sale/models/pos_session.py
+++ b/addons/point_of_sale/models/pos_session.py
@@ -416,6 +416,9 @@ class PosSession(models.Model):
         return {'successful': True}
 
     def update_closing_control_state_session(self, notes):
+        # Prevent closing the session again if it was already closed
+        if self.state == 'closed':
+            raise UserError(_('This session is already closed.'))
         # Prevent the session to be opened again.
         self.write({'state': 'closing_control', 'stop_at': fields.Datetime.now()})
         self._post_cash_details_message('Closing', self.cash_register_difference, notes)