diff --git a/addons/calendar/tests/test_calendar.py b/addons/calendar/tests/test_calendar.py
index a7a0988b4c0..860637e6c86 100644
--- a/addons/calendar/tests/test_calendar.py
+++ b/addons/calendar/tests/test_calendar.py
@@ -274,7 +274,7 @@ class TestCalendar(SavepointCaseWithUserDemo):
             self.env['res.partner'].create({'name': 'testuser1', 'email': u'alice@example.com'}),
         ]
         partner_ids = [(6, False, [p.id for p in partners]),]
-        now = fields.Datetime.now()
+        now = fields.Datetime.context_timestamp(partners[0], fields.Datetime.now())
         m = self.CalendarEvent.create({
             'name': "mailTest1",
             'allday': False,