diff --git a/tools/cron_VRFY.sh b/tools/cron_VRFY.sh
index 7b991fc8..2439b524 100755
--- a/tools/cron_VRFY.sh
+++ b/tools/cron_VRFY.sh
@@ -67,7 +67,7 @@ else
         [[ ! $(cat /tmp/mycron | grep -F 'PATH') ]] && echo "PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin" >> /tmp/newcron
         cat /tmp/mycron >> /tmp/newcron
         # ADD  20h12.process.sh line
-        echo "12  20  *  *  *   /bin/bash $MY_PATH/../20h12.process.sh > /tmp/20h12.log 2>&1" >> /tmp/newcron
+        [[ ! $(cat /tmp/mycron | grep '20h12.process.sh') ]] && echo "12  20  *  *  *   /bin/bash $MY_PATH/../20h12.process.sh > /tmp/20h12.log 2>&1" >> /tmp/newcron
         crontab /tmp/newcron
 
     fi