diff --git a/tests/test_generics.py b/tests/test_generics.py
index 67191d329..2c3679c46 100644
--- a/tests/test_generics.py
+++ b/tests/test_generics.py
@@ -530,7 +530,7 @@ class TestFilterBackendAppliedToViews(TestCase):
         view = DynamicSerializerView.as_view()
         request = factory.get('/')
         response = view(request).render()
-        assert response is 'field_b'
+        assert 'field_b' in response
         assert 'field_a' not in response