diff --git a/templates/etc/network/interfaces.j2 b/templates/etc/network/interfaces.j2
index 0e5a7a8..3dc60ce 100644
--- a/templates/etc/network/interfaces.j2
+++ b/templates/etc/network/interfaces.j2
@@ -5,14 +5,12 @@ iface lo inet loopback
 auto eth0
 
 iface eth0 inet static
-  address {{ hostvars[inventory_hostname].ansible_default_ipv4.address }}
-  netmask {{ hostvars[inventory_hostname].ansible_default_ipv4.netmask }}
-  gateway {{ hostvars[inventory_hostname].ansible_default_ipv4.gateway }}
+  address {{ ansible_host }}/{{ netmask }}
+  gateway {{ gateway }}
 
 {% if ip6 is defined %}
 iface eth0 inet6 static
-  address {{ ip6 }}
-  netmask {{ netmask6 }}
+  address {{ ip6 }}/{{ netmask6 }}
   gateway {{ gateway6 }}
   pre-up echo 0 > /proc/sys/net/ipv6/conf/eth0/accept_ra
 {% endif %}