diff --git a/roles/wireguard/templates/wireguard.j2 b/roles/wireguard/templates/wireguard.j2
index 519f802..b978d66 100644
--- a/roles/wireguard/templates/wireguard.j2
+++ b/roles/wireguard/templates/wireguard.j2
@@ -4,6 +4,7 @@
 {% for network in my_wireguard_networks %}
 auto wg-{{ network.remote[:11] }}
 iface wg-{{ network.remote[:11] }}
+   mtu 1420
    ipv6-addrgen off
 {% if magic < network.remote_magic %}
    address {{ network.ipv4 | ipaddr('ip/prefix') }}
@@ -12,6 +13,7 @@ iface wg-{{ network.remote[:11] }}
    address {{ network.ipv4 | ipaddr('1') | ipaddr('ip/prefix') }}
    address {{ network.ipv6 | ipaddr('1') | ipaddr('ip/prefix') }}
 {% endif %}
+   address {{ 'fe80::/64' | ipaddr(magic) | ipaddr('ip/prefix') }}
    pre-up ip link add dev $IFACE type wireguard
    pre-up wg setconf $IFACE /etc/wireguard/$IFACE.conf
    post-up ip link set up dev $IFACE