diff --git a/tools/cron/autopts_cron.py b/tools/cron/autopts_cron.py
index 2c397543b0..af9f8d9f2c 100644
--- a/tools/cron/autopts_cron.py
+++ b/tools/cron/autopts_cron.py
@@ -86,7 +86,7 @@ def __init__(self, add_help=True):
                           help="Names of test cases to exclude. Groups of "
                                "test cases can be specified by profile names")
 
-        self.add_argument("--test_case_limit", nargs='?', type=int, default=0,
+        self.add_argument("--test_case_limit", "--test-case-limit", nargs='?', type=int, default=0,
                           help="Limit of test cases to run")