diff --git a/install.sh b/install.sh
index b86ff9f..3daf864 100644
--- a/install.sh
+++ b/install.sh
@@ -22,8 +22,8 @@ apt-get -y install ssmtp
 sed -i -e 's/=mail/=mail.neshweb.net:587/' /etc/ssmtp/ssmtp.conf # replace 'mail' mailhub with actual mailserver
 sed -i -e 's/hostname=.*/hostname='"$DOMAIN"'/' /etc/ssmtp/ssmtp.conf # replace hostname with actual domain
 sed -i -e 's/#FromLine/FromLine/' /etc/ssmtp/ssmtp.conf
-echo "useSTARTTLS=YES\nAuthUser=$USER@$DOMAIN\nAuthPass=$PASS" >> /etc/ssmtp/ssmtp.conf
-echo "root:noreply@$USER:mail.neshweb.net:587" >> /etc/ssmtp/revaliases # alias 'root' sender to actual noreply sender to be used
+printf "useSTARTTLS=YES\nAuthUser=$USER@$DOMAIN\nAuthPass=$PASS" >> /etc/ssmtp/ssmtp.conf
+printf "root:noreply@$USER:mail.neshweb.net:587" >> /etc/ssmtp/revaliases # alias 'root' sender to actual noreply sender to be used
 wget "https://forgejo.neshweb.net/Neshura/disk-warn-script/raw/branch/main/disk-warn.sh" -P /root
 chmod +x /root/disk-warn.sh
 (crontab -l 2>/dev/null; echo "0 1 * * * /root/disk-warn.sh") | crontab -