diff --git a/l10n_us_hr_payroll/tests/test_us_co_colorado_payslip_2020.py b/l10n_us_hr_payroll/tests/test_us_co_colorado_payslip_2020.py
index 6e24cbb0..0fa45d9c 100755
--- a/l10n_us_hr_payroll/tests/test_us_co_colorado_payslip_2020.py
+++ b/l10n_us_hr_payroll/tests/test_us_co_colorado_payslip_2020.py
@@ -34,3 +34,4 @@ class TestUsCOPayslip(TestUsPayslip):
         self._test_sit(20000.0, 'married', 0.0, 'quarterly', date(2020, 1, 1), 833.4)
         self._test_sit(20000.0, 'married', 10.0, 'quarterly', date(2020, 1, 1), 843.4)
         self._test_sit(20000.0, 'married', 0.0, 'quarterly', date(2020, 1, 1), 0.0, True)
+        self._test_sit(800.0, '', 0.0, 'weekly', date(2020, 1, 1), 0.00)