diff --git a/build/run/installer.sh b/build/run/installer.sh
index 8dfeeec..eaaf904 100755
--- a/build/run/installer.sh
+++ b/build/run/installer.sh
@@ -511,14 +511,20 @@ syslog
 #//
 ###############
 install /dev/stdin /etc/periodic/daily/daily <<- daily
-echo \$(date) >>/var/log/mail/cron.daily.log
-/usr/share/webapps/roundcube/bin/cleandb.sh >>/var/log/mail/cron.daily.log 2>&1
-/usr/local/bin/postwhite/postwhite >>/var/log/mail/cron.daily.log 2>&1
-echo >>/var/log/mail/cron.daily.log
+#!/usr/bin/env bash
+tee -a /var/log/mail/cron.daily.log >/dev/null <<- log
+\$(date)
+\$(/usr/share/webapps/roundcube/bin/cleandb.sh)
+\$(/usr/local/bin/postwhite/postwhite)
+
+log
 daily
 
 install /dev/stdin /etc/periodic/weekly/weekly <<- weekly
-echo \$(date) >>/var/log/mail/cron.weekly.log
-/usr/local/bin/postwhite/scrape_yahoo >>/var/log/mail/cron.weekly.log 2>&1
-echo >>/var/log/mail/cron.weekly.log
+#!/usr/bin/env bash
+tee -a /var/log/mail/cron.weekly.log >/dev/null <<- log
+\$(date)
+\$(/usr/local/bin/postwhite/scrape_yahoo)
+
+log
 weekly