diff --git a/swh/loader/git/tests/test_utils.py b/swh/loader/git/tests/test_utils.py
index b288d2b..adb20c4 100644
--- a/swh/loader/git/tests/test_utils.py
+++ b/swh/loader/git/tests/test_utils.py
@@ -1,35 +1,35 @@
 # Copyright (C) 2015-2017  The Software Heritage developers
 # See the AUTHORS file at the top-level directory of this distribution
 # License: GNU General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
 import unittest
 
 from nose.tools import istest
 
 from swh.loader.git import utils
 
 
 class TestUtils(unittest.TestCase):
     @istest
     def check_date_time(self):
         """A long as datetime is fine, date time check does not raise
 
         """
         for e in range(32, 37):
             ts = 2**e
             utils.check_date_time(ts)
 
     @istest
     def check_date_time_empty_value(self):
         self.assertIsNone(utils.check_date_time(None))
 
     @istest
     def check_date_time_raises(self):
         """From a give threshold, check will no longer works.
 
         """
         exp = 38
         timestamp = 2**exp
-        with self.assertRaisesRegex(ValueError, 'year is out of range'):
+        with self.assertRaisesRegex(ValueError, 'is out of range'):
             utils.check_date_time(timestamp)