diff --git a/plone/app/discussion/tests/test_comments_viewlet.py b/plone/app/discussion/tests/test_comments_viewlet.py
index 1b97b92..52481f3 100644
--- a/plone/app/discussion/tests/test_comments_viewlet.py
+++ b/plone/app/discussion/tests/test_comments_viewlet.py
@@ -475,7 +475,7 @@ class TestCommentsViewlet(unittest.TestCase):
         python_time = datetime(
             *time.gmtime(time.mktime(python_time.timetuple()))[:7])
         localized_time = self.viewlet.format_time(python_time)
-        self.assertEqual(localized_time, "Feb 01, 2009 11:32 PM")
+        self.assertEqual(localized_time, '2009-02-01 23:32')
 
 
 def test_suite():