diff --git a/lamin_cli/__main__.py b/lamin_cli/__main__.py
index 8c11a6e..18be739 100644
--- a/lamin_cli/__main__.py
+++ b/lamin_cli/__main__.py
@@ -152,7 +152,7 @@ def init(storage: str, db: Optional[str], schema: Optional[str], name: Optional[
 
 # fmt: off
 @main.command()
-@click.argument("instance", type=str, default=None)
+@click.argument("instance", type=str, default=None, required=False)
 @click.option("--db", type=str, default=None, help="Update database URL.")  # noqa: E501
 @click.option("--storage", type=str, default=None, help="Update storage while loading.")
 @click.option("--unload", is_flag=True, help="Unload the current instance.")