diff --git a/build-mastodon.sh b/build-mastodon.sh
line changes: +5/-0
index af86d7a..5315c83
--- a/build-mastodon.sh
+++ b/build-mastodon.sh

@@ -15,6 +15,11 @@ ADDR=$MASTODON_ADDR
 
 bastille create $JAILNAME $FREEBSD_RELEASE $ADDR
 
+bastille stop $JAILNAME
+IPV6_ADDR=fdcb:dbd4:3a2f:$(echo $ADDR | cut -d. -f3)::$(echo $ADDR | cut -d. -f4)
+perl -i -n -e "/^}$/ && print \"  ip6.addr = \\\"$IPV6_ADDR\\\";\\n\"; print" /usr/local/bastille/jails/$JAILNAME/jail.conf
+bastille start $JAILNAME
+
 bastille pkg $JAILNAME install -y $PACKAGES
 bastille cmd $JAILNAME pw user add mastodon -m -h -
 jexec -U mastodon $JAILNAME /bin/sh <<SCRIPT