diff --git a/tests/regressiontests/comment_tests/tests/__init__.py b/tests/regressiontests/comment_tests/tests/__init__.py
index ac460d4d0b..09026aa010 100644
--- a/tests/regressiontests/comment_tests/tests/__init__.py
+++ b/tests/regressiontests/comment_tests/tests/__init__.py
@@ -12,9 +12,7 @@ CT = ContentType.objects.get_for_model
 # Helper base class for comment tests that need data.
 class CommentTestCase(TestCase):
     fixtures = ["comment_tests"]
-
-    def setUp(self):
-        settings.ROOT_URLCONF = "django.contrib.comments.urls"
+    urls = 'django.contrib.comments.urls'
 
     def createSomeComments(self):
         # Two anonymous comments on two different objects