diff --git a/roles/dhcpd/templates/default/isc-dhcp-server.j2 b/roles/dhcpd/templates/default/isc-dhcp-server.j2
index e756ef3..fc9997d 100644
--- a/roles/dhcpd/templates/default/isc-dhcp-server.j2
+++ b/roles/dhcpd/templates/default/isc-dhcp-server.j2
@@ -3,10 +3,12 @@
 #
 
 # Path to dhcpd's config file (default: /etc/dhcp/dhcpd.conf).
-#DHCPD_CONF=/etc/dhcp/dhcpd.conf
+#DHCPDv4_CONF=/etc/dhcp/dhcpd.conf
+#DHCPDv6_CONF=/etc/dhcp/dhcpd6.conf
 
 # Path to dhcpd's PID file (default: /var/run/dhcpd.pid).
-#DHCPD_PID=/var/run/dhcpd.pid
+#DHCPDv4_PID=/var/run/dhcpd.pid
+#DHCPDv6_PID=/var/run/dhcpd6.pid
 
 # Additional options to start dhcpd with.
 #	Don't use options -cf or -pf here; use DHCPD_CONF/ DHCPD_PID instead
@@ -14,4 +16,6 @@
 
 # On what interfaces should the DHCP server (dhcpd) serve DHCP requests?
 #	Separate multiple interfaces with spaces, e.g. "eth0 eth1".
-INTERFACES="eth0"
+INTERFACESv4="{{ ansible_default_ipv4['interface'] }}"
+INTERFACESv6=""
+INTERFACES="{{ ansible_default_ipv4['interface'] }}"