diff --git a/Lib/test/libregrtest/cmdline.py b/Lib/test/libregrtest/cmdline.py
index 1f7aaedae37..c9e2f3d0603 100644
--- a/Lib/test/libregrtest/cmdline.py
+++ b/Lib/test/libregrtest/cmdline.py
@@ -242,7 +242,7 @@ def _create_parser():
     group.add_argument('-P', '--pgo', dest='pgo', action='store_true',
                        help='enable Profile Guided Optimization training')
 
-    parser.add_argument('args', nargs=argparse.REMAINDER,
+    parser.add_argument('args', nargs='*',
                         help=argparse.SUPPRESS)
 
     return parser