diff --git a/chkcrontab b/chkcrontab
index ff5fe98ef320cd0a25b4cc8a1e8ad628730c122d..e11510e377b9f63fcfff1d4d2eeb75dd63203144 100755
--- a/chkcrontab
+++ b/chkcrontab
@@ -40,4 +40,4 @@ def main(argv):
   return check.check_crontab(argv[1], log)
 
 if __name__ == '__main__':
-  main(sys.argv)
+  sys.exit(main(sys.argv))