diff --git a/tests/test_dispatcher.py b/tests/test_dispatcher.py
index eb45a53..01de34f 100644
--- a/tests/test_dispatcher.py
+++ b/tests/test_dispatcher.py
@@ -25,7 +25,7 @@ class TestDispatcher(unittest.TestCase):
             'param2': 'value2',
             'param3': 'value3'
         }
-        dispatcher.register('name', comparator, action)
+        dispatcher.register('name', comparator1, action)
         method = dispatcher(params)
         result = method(params)
         self.assertEqual(result, 'value')