diff --git a/src/fessctl/cli.py b/src/fessctl/cli.py
index 9099bff..77a8db6 100644
--- a/src/fessctl/cli.py
+++ b/src/fessctl/cli.py
@@ -119,5 +119,9 @@ def ping(
         raise typer.Exit(code=1)
 
 
-if __name__ == "__main__":
+def main():
     app()
+
+
+if __name__ == "__main__":
+    main()