diff --git a/felt/test/test_recent_projects_model.py b/felt/test/test_recent_projects_model.py
index b2119b8..13e9109 100644
--- a/felt/test/test_recent_projects_model.py
+++ b/felt/test/test_recent_projects_model.py
@@ -51,7 +51,7 @@ def test_pretty_date(self):
         self.assertEqual(model.pretty_format_date(two_weeks_ago),
                          "2 weeks ago")
 
-        one_month_ago = now.addMonths(-1)
+        one_month_ago = now.addDays(-35)
         self.assertEqual(model.pretty_format_date(one_month_ago),
                          "1 month ago")