diff --git a/tests/tests_pytorch/test_cli.py b/tests/tests_pytorch/test_cli.py
index 50e6a6f721ea1..248852f4cf1f3 100644
--- a/tests/tests_pytorch/test_cli.py
+++ b/tests/tests_pytorch/test_cli.py
@@ -98,7 +98,7 @@ class _UnkArgError(Exception):
     def _raise():
         raise _UnkArgError
 
-    parser = LightningArgumentParser(add_help=False, parse_as_dict=False)
+    parser = LightningArgumentParser(add_help=False)
     parser.add_lightning_class_args(Trainer, None)
 
     monkeypatch.setattr(parser, "exit", lambda *args: _raise(), raising=True)