diff --git a/tests/test_automator_lambda.py b/tests/test_automator_lambda.py
index 76c7ba7..ec51e54 100644
--- a/tests/test_automator_lambda.py
+++ b/tests/test_automator_lambda.py
@@ -242,8 +242,8 @@ def test_to_welcome_has_thread_message(self):
         self.assertIn('thread_message', reaction_config)
     
     def test_thread_please_reaction_exists(self):
-        """Verify that 'thread_please' reaction is configured"""
-        reaction_config = lambda_function.reaction_configs.get('thread_please')
+        """Verify that 'thread-please' reaction is configured"""
+        reaction_config = lambda_function.reaction_configs.get('thread-please')
         self.assertIsNotNone(reaction_config)
         self.assertEqual(reaction_config['type'], 'DELETE_MESSAGE')
         self.assertIn('message', reaction_config)