diff --git a/build-mastodon.sh b/build-mastodon.sh
line changes: +2/-3
index 32a86a7..cf75223
--- a/build-mastodon.sh
+++ b/build-mastodon.sh

@@ -15,10 +15,9 @@ 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 config $JAILNAME set ip6.addr $IPV6_ADDR
+bastille restart $JAILNAME
 
 bastille pkg $JAILNAME install -y $PACKAGES
 bastille cmd $JAILNAME pw user add mastodon -m -h -

diff --git a/build-postgres.sh b/build-postgres.sh
line changes: +3/-1
index bb3f835..08f540a
--- a/build-postgres.sh
+++ b/build-postgres.sh

@@ -18,6 +18,8 @@ set -x
 
 bastille create $JAILNAME $FREEBSD_RELEASE $ADDR
 bastille stop $JAILNAME
-perl -i -n -e '/^}$/ && print "  sysvshm = new;\n  sysvmsg = new;\n  sysvsem = new;\n"; print' /usr/local/bastille/jails/$JAILNAME/jail.conf
+bastille config $JAILNAME set sysvshm new
+bastille config $JAILNAME set sysvmsg new
+bastille config $JAILNAME set sysvsem new
 bastille start $JAILNAME
 bastille template $JAILNAME ./postgres