diff --git a/tests/admin_utils/test_logentry.py b/tests/admin_utils/test_logentry.py
index aaa67ffc13..ba0e3c1bfd 100644
--- a/tests/admin_utils/test_logentry.py
+++ b/tests/admin_utils/test_logentry.py
@@ -185,7 +185,7 @@ class LogEntryTests(TestCase):
             self.user.pk, content_type_pk, self.a1.pk, repr(self.a1), CHANGE,
             change_message='Changed something else',
         )
-        self.assertEqual(log_entry, LogEntry.objects.latest('action_time'))
+        self.assertEqual(log_entry, LogEntry.objects.latest('id'))
 
     def test_recentactions_without_content_type(self):
         """
diff --git a/tests/modeladmin/tests.py b/tests/modeladmin/tests.py
index c9cde5a2c9..c2250b923b 100644
--- a/tests/modeladmin/tests.py
+++ b/tests/modeladmin/tests.py
@@ -539,9 +539,9 @@ class ModelAdminTests(TestCase):
         ma = ModelAdmin(Band, self.site)
         mock_request = MockRequest()
         mock_request.user = User.objects.create(username='bill')
-        self.assertEqual(ma.log_addition(mock_request, self.band, 'added'), LogEntry.objects.latest('action_time'))
-        self.assertEqual(ma.log_change(mock_request, self.band, 'changed'), LogEntry.objects.latest('action_time'))
-        self.assertEqual(ma.log_change(mock_request, self.band, 'deleted'), LogEntry.objects.latest('action_time'))
+        self.assertEqual(ma.log_addition(mock_request, self.band, 'added'), LogEntry.objects.latest('id'))
+        self.assertEqual(ma.log_change(mock_request, self.band, 'changed'), LogEntry.objects.latest('id'))
+        self.assertEqual(ma.log_change(mock_request, self.band, 'deleted'), LogEntry.objects.latest('id'))
 
 
 class CheckTestCase(SimpleTestCase):