diff --git a/tests/sites_tests/tests.py b/tests/sites_tests/tests.py
index 500a422b21..3de0049c62 100644
--- a/tests/sites_tests/tests.py
+++ b/tests/sites_tests/tests.py
@@ -25,6 +25,9 @@ class SitesFrameworkTests(TestCase):
         cls.site = Site(id=settings.SITE_ID, domain='example.com', name='example.com')
         cls.site.save()
 
+    def setUp(self):
+        Site.objects.clear_cache()
+
     def tearDown(self):
         Site.objects.clear_cache()