diff --git a/install.sh b/install.sh
index 19bb802..fd1e836 100644
--- a/install.sh
+++ b/install.sh
@@ -34,12 +34,14 @@ chmod -R a+X /etc/tinc/
 echo "Setting exclusive read access to SSH keys."
 chmod -v 400 /etc/lixonet/id_rsa
 chmod -v 400 /etc/lixonet/*/id_rsa
+chmod -v 400 /etc/lixonet/known_hosts
 stat /etc/lixonet/id_rsa
 stat /etc/lixonet/*/id_rsa
+stat /etc/lixonet/known_hosts
 
 echo "Enabling write access to /etc/lixonet/version."
 touch /etc/lixonet/version
 chmod 660 /etc/lixonet/version
 stat /etc/lixonet/version
 
-docker build -t lixonet-ee . && docker run --restart always -d -e DOCKER_HOST=unix:///var/run/docker.sock -e GIT_URL=$ORIGIN -v /var/run/docker.sock:/var/run/docker.sock -v /etc/bird:/etc/bird/ -v /etc/tinc:/etc/tinc -v /etc/bind:/etc/bind -v /etc/lixonet:/etc/lixonet -v /etc/lixonet/known_hosts:/home/lixonet/.ssh/known_hosts -v /etc/lixonet/id_rsa:/home/lixonet/.ssh/id_rsa lixonet-ee
\ No newline at end of file
+docker build -t lixonet-ee . && docker run --restart always -d -e DOCKER_HOST=unix:///var/run/docker.sock -e GIT_URL=$ORIGIN -v /var/run/docker.sock:/var/run/docker.sock -v /etc/bird:/etc/bird/ -v /etc/tinc:/etc/tinc -v /etc/bind:/etc/bind -v /etc/lixonet:/etc/lixonet -v /etc/lixonet/known_hosts:/home/lixonet/.ssh/known_hosts -v /etc/lixonet/id_rsa:/home/lixonet/.ssh/id_rsa lixonet-ee