diff --git a/src/scripts/build_coral_data.py b/src/scripts/build_coral_data.py
index a87478a3..3725e93f 100644
--- a/src/scripts/build_coral_data.py
+++ b/src/scripts/build_coral_data.py
@@ -18,7 +18,7 @@
     "input_path",
     type=click.Path(exists=True),
 )
-@click.option(
+@click.argument(
     "metadata_path",
     type=click.Path(exists=True),
 )