diff --git a/scrapy/tests/test_downloadermiddleware_cookies.py b/scrapy/tests/test_downloadermiddleware_cookies.py
index d86429c5d..d1b4275e8 100644
--- a/scrapy/tests/test_downloadermiddleware_cookies.py
+++ b/scrapy/tests/test_downloadermiddleware_cookies.py
@@ -14,7 +14,7 @@ class CookiesMiddlewareTest(TestCase):
         self.mw = CookiesMiddleware()
 
     def tearDown(self):
-        self.mw.spider_closed('scrapytest.org')
+        self.mw.spider_closed(self.spider)
         del self.mw
 
     def test_basic(self):