diff --git a/web/utils/crontab.py b/web/utils/crontab.py
index 42503fae2..53ac70b4d 100644
--- a/web/utils/crontab.py
+++ b/web/utils/crontab.py
@@ -520,7 +520,8 @@ echo "--------------------------------------------------------------------------
         if mw.isAppleSystem():
             return mw.returnData(True, 'ok')
 
-        mw.execShell("mkdir -p /var/spool/cron/crontabs")
+        if not os.path.exists("/var/spool/cron/crontabs"):
+            mw.execShell("mkdir -p /var/spool/cron/crontabs")
 
         file = '/var/spool/cron/crontabs/root'
         sys_os = mw.getOs()