diff --git a/tests/test_session_formatting.py b/tests/test_session_formatting.py
index df4de41..4faacfc 100644
--- a/tests/test_session_formatting.py
+++ b/tests/test_session_formatting.py
@@ -33,5 +33,5 @@ class FormatDurationTest(TestCase):
         s.save()
         self.assertEqual(
             s.duration_formatted(),
-            "02:40",
+            "2.7",
         )