diff --git a/config/rootfiles/core/137/filelists/files b/config/rootfiles/core/137/filelists/files
index 110365168..7d83b62e9 100644
--- a/config/rootfiles/core/137/filelists/files
+++ b/config/rootfiles/core/137/filelists/files
@@ -6,6 +6,7 @@ etc/logrotate.conf
 etc/rc.d/init.d/firewall
 etc/rc.d/init.d/unbound
 etc/rc.d/init.d/networking/red.up/99-geoip-database
+etc/sysctl.conf
 srv/web/ipfire/cgi-bin/dns.cgi
 srv/web/ipfire/cgi-bin/ovpnmain.cgi
 srv/web/ipfire/cgi-bin/vpnmain.cgi