diff --git a/addons/point_of_sale/tests/test_pos_basic_config.py b/addons/point_of_sale/tests/test_pos_basic_config.py
index 607afafa47f..fa2bb6e01b7 100644
--- a/addons/point_of_sale/tests/test_pos_basic_config.py
+++ b/addons/point_of_sale/tests/test_pos_basic_config.py
@@ -394,7 +394,7 @@ class TestPoSBasicConfig(TestPoSCommon):
         session_move = self.pos_session.move_id
 
         sale_lines = session_move.line_ids.filtered(lambda line: line.account_id == self.sale_account)
-        self.assertAlmostEqual(len(sale_lines), 2, 'There should be lines for both sales and refund.')
+        self.assertEqual(len(sale_lines), 2, msg='There should be lines for both sales and refund.')
         self.assertAlmostEqual(sum(sale_lines.mapped('balance')), -110.0)
 
         receivable_line_bank = session_move.line_ids.filtered(lambda line: self.bank_pm.name in line.name)