diff --git a/evennia/utils/tests/test_validatorfuncs.py b/evennia/utils/tests/test_validatorfuncs.py
index 4a16c25be8..0c1b87e40e 100644
--- a/evennia/utils/tests/test_validatorfuncs.py
+++ b/evennia/utils/tests/test_validatorfuncs.py
@@ -44,10 +44,13 @@ class TestValidatorFuncs(TestCase):
             self.assertTrue(
                 isinstance(validatorfuncs.duration(d), datetime.timedelta))
 
-        # THE FOLLOWING FAILS, year calculation seems to be incorrect
-        # self.assertEqual(
-        #     datetime.timedelta(1+5*365, 2, 0, 0, 3, 4, 5),
-        #     validatorfuncs.duration('1d 2s 3m 4h 5w 5y'))
+        self.assertEqual(
+            datetime.timedelta(1+6*365, 2, 0, 0, 3, 4, 5),
+            validatorfuncs.duration('1d 2s 3m 4h 5w 6y'))
+        # values may be duplicated
+        self.assertEqual(
+            datetime.timedelta((1+7)+(6+12)*365, 2+8, 0, 0, 3+9, 4+10, 5+11),
+            validatorfuncs.duration('1d 2s 3m 4h 5w 6y 7d 8s 9m 10h 11w 12y'))
 
     def test_duration_raises_ValueError(self):
         for d in ['', '1', '5days', '1Week']: