diff --git a/install.sh b/install.sh
index 6877f7c..1ba9d87 100644
--- a/install.sh
+++ b/install.sh
@@ -82,10 +82,13 @@ find /srv/www/html/roundcube -type f -exec chmod 644 {} +
 chmod 755 /srv/www/html/roundcube/bin/*.sh
 
 # install & enable rc systemd cron
+if [[ ! -d /usr/local/lib/systemd/system ]]; then
+  mkdir -p /usr/local/lib/systemd/system
+fi
 cp sbin/rc-cron.sh /usr/local/sbin/
 chmod 755 /usr/local/sbin/rc-cron.sh
-cp systemd/rc-cron.* /usr/lib/systemd/system/
-chmod 644 /usr/lib/systemd/system/rc-cron.*
+cp systemd/rc-cron.* /usr/local/lib/systemd/system/
+chmod 644 /usr/local/lib/systemd/system/rc-cron.*
 systemctl enable rc-cron.timer
 systemctl start rc-cron.timer