diff --git a/docs/plans/original-completion-2026-10-02/execution/p18-kitchen-legacy-support/verify_support.py b/docs/plans/original-completion-2026-10-02/execution/p18-kitchen-legacy-support/verify_support.py
index 0fdba3d..a6adf9f 100644
--- a/docs/plans/original-completion-2026-10-02/execution/p18-kitchen-legacy-support/verify_support.py
+++ b/docs/plans/original-completion-2026-10-02/execution/p18-kitchen-legacy-support/verify_support.py
@@ -271,7 +271,7 @@ def verify(args):
 def main():
     parser = argparse.ArgumentParser(allow_abbrev=False, description=__doc__)
     parser.add_argument('--verify-only', required=True, action='store_true')
-    parser.add_argument('--marker-contracts', required=True)
+    parser.add_argument('--marker-contracts', default=str(ROOT / MARKER))
     parser.add_argument('--full-output', default='native-full178', help='relative to BUILD_OUTPUT_DIR')
     verify(parser.parse_args())