diff --git a/apps/cli/utilities/aat_wrest/aat_wrest/wrest.py b/apps/cli/utilities/aat_wrest/aat_wrest/wrest.py
index 00b5758baba554e0abf825d9ac886b637cbc58d9..8de40dcc8c0eb4ad7ee3ffa55952f7c571b98c78 100644
--- a/apps/cli/utilities/aat_wrest/aat_wrest/wrest.py
+++ b/apps/cli/utilities/aat_wrest/aat_wrest/wrest.py
@@ -110,7 +110,7 @@ def parser() -> argparse.ArgumentParser:
     arg_parser.add_argument(
         "--curator",
         nargs=1,
-        default=[],
+        action="store",
         required=False,
         help="Find the product information necessary to run curator on the provided product locator",
     )