diff --git a/tests/test_managers/test_ext_rediscluster.py b/tests/test_managers/test_ext_rediscluster.py
index 5c19d54..d13a011 100644
--- a/tests/test_managers/test_ext_rediscluster.py
+++ b/tests/test_managers/test_ext_rediscluster.py
@@ -5,7 +5,7 @@
 class TestRedis(base.CacheManagerBaseTests):
     CACHE_ARGS = {
         'type': 'ext:rediscluster',
-        'url': 'redis://localhost:6379'
+        'urls': 'redis://localhost:6379'
     }
 
     def test_client_reuse(self):
@@ -13,4 +13,4 @@ def test_client_reuse(self):
         cli1 = cache1.namespace.client
         cache2 = Cache('test2', **self.CACHE_ARGS)
         cli2 = cache2.namespace.client
-        self.assertTrue(cli1 is cli2)
\ No newline at end of file
+        self.assertTrue(cli1 is cli2)