diff --git a/src/thread-cli/__init__.py b/src/thread-cli/__init__.py
index eb383f0..32a3091 100644
--- a/src/thread-cli/__init__.py
+++ b/src/thread-cli/__init__.py
@@ -17,7 +17,7 @@
 from .base import cli_base as app
 from .process import process as process_cli
 
-app.commands(
+app.command(
   name="process",
   no_args_is_help=True,
   context_settings={"allow_extra_args": True},