diff --git a/trunk/PKGBUILD b/trunk/PKGBUILD
index cc00073..29e0fd8 100644
--- a/trunk/PKGBUILD
+++ b/trunk/PKGBUILD
@@ -10,7 +10,7 @@ pkgdesc="Lightweight, easy to configure DNS forwarder and DHCP server"
 url="http://www.thekelleys.org.uk/dnsmasq/doc.html"
 arch=('x86_64')
 license=('GPL')
-depends=('glibc' 'gmp' 'libidn' 'libdbus' 'libnetfilter_conntrack' 'nettle')
+depends=('glibc' 'gmp' 'libidn2' 'libdbus' 'libnetfilter_conntrack' 'nettle')
 backup=('etc/dnsmasq.conf')
 validpgpkeys=('D6EACBD6EE46B834248D111215CDDA6AE19135A2') # Simon Kelley <simon@thekelleys.org.uk>
 source=("http://www.thekelleys.org.uk/$pkgname/$pkgname-$pkgver.tar.xz"{,.asc}
@@ -21,7 +21,7 @@ sha256sums=('78ad74f5ca14fd85a8bac93f764cd9d60b27579e90eabd3687ca7b030e67861f'
             '7f6ff6a709038ae580758f4b6a754451d7f7ce22957b88a36b97f7b643d3c2ab'
             '983a3c7a68ce114cf7b44f0d9c59b74c266647a9e5ac34c1d1d5161610bc57fe')
 
-_build_copts="-DHAVE_DNSSEC -DHAVE_DBUS -DHAVE_IDN -DHAVE_CONNTRACK"
+_build_copts="-DHAVE_DNSSEC -DHAVE_DBUS -DHAVE_LIBIDN2 -DHAVE_CONNTRACK"
 
 build() {
   cd "$pkgname-$pkgver"