diff --git a/tests/middleware/test_security.py b/tests/middleware/test_security.py
index 3189c215b8..efb4b152a9 100644
--- a/tests/middleware/test_security.py
+++ b/tests/middleware/test_security.py
@@ -110,7 +110,7 @@ class SecurityMiddlewareTest(SimpleTestCase):
         """
         self.assertEqual(self.process_response()["x-content-type-options"], "nosniff")
 
-    @override_settings(SECURE_CONTENT_TYPE_NO_SNIFF=True)
+    @override_settings(SECURE_CONTENT_TYPE_NOSNIFF=True)
     def test_content_type_already_present(self):
         """
         The middleware will not override an "x-content-type-options" header