diff --git a/install.sh b/install.sh
index c0ba332..fb57161 100755
--- a/install.sh
+++ b/install.sh
@@ -18,7 +18,7 @@ chmod -R a+X /etc/lixonet/
 echo "Setting write access to service directories."
 mkdir /etc/bind
 chown -R $UID:$GID /etc/bind/
-chmod -R 660 /etc/bind/
+chmod -R 664 /etc/bind/
 chmod -R a+X /etc/bind/
 
 mkdir /etc/bird