diff --git a/chkcrontab b/chkcrontab
index 7db27b18fa1701c97e498ea61d86f282cb5a7c9d..0fe3299414ae7d946d2c9956b385dd30cad83415 100755
--- a/chkcrontab
+++ b/chkcrontab
@@ -37,6 +37,7 @@ def main(argv):
   parser = ArgumentParser(description="Parse crontab files and check each type of line for potential syntax errors.")
   parser.add_argument('crontab', help='the crontab file to parse')
   parser.add_argument('--whitelist','-w', action='append', dest='whitelisted_users', help='A user to ignore when warning of unrecognized users  This argument may be passed multiple times.', default=None)
+  parser.add_argument('-n', '--no-check-passwd', action='store_false', dest='check_passwd', help='Disable user lookup')
   args = parser.parse_args()
 
   log = check.LogCounter()