diff --git a/tests/test_authentication.py b/tests/test_authentication.py
index 28c3a8b35..44837c4ef 100644
--- a/tests/test_authentication.py
+++ b/tests/test_authentication.py
@@ -142,7 +142,7 @@ class SessionAuthTests(TestCase):
         cf. [#1810](https://github.com/tomchristie/django-rest-framework/pull/1810)
         """
         response = self.csrf_client.get('/auth/login/')
-        self.assertContains(response, '<label class="span4">Username:</label>')
+        self.assertContains(response, '<label for="id_username">Username:</label>')
 
     def test_post_form_session_auth_failing_csrf(self):
         """