diff --git a/trunk/PKGBUILD b/trunk/PKGBUILD
index 84fb8c0..2f8a6cb 100644
--- a/trunk/PKGBUILD
+++ b/trunk/PKGBUILD
@@ -10,6 +10,7 @@ pkgdesc="API for controlling virtualization engines (openvz,kvm,qemu,virtualbox,
 arch=('x86_64')
 url="https://libvirt.org/"
 license=('LGPL' 'GPL3') #libvirt_parthelper links to libparted which is GPL3 only
+install=libvirt.install
 depends=('libpciaccess' 'yajl' 'fuse2' 'gnutls' 'parted' 'libssh' 'libxml2' 'numactl' 'polkit')
 makedepends=('libxslt' 'python-docutils' 'lvm2' 'open-iscsi' 'libiscsi' 'ceph-libs' 'glusterfs'
              'bash-completion' 'rpcsvc-proto' 'dnsmasq' 'iproute2' 'qemu-headless')
@@ -138,7 +139,7 @@ package_libvirt() {
     "$pkgdir/etc/libvirt/qemu/networks/default.xml"
 
   # Strip auto-generated UUID,  so it will be generated per-install. (reproducible builds)
-  sed -i '/<uuid>/d' "$pkgdir"/etc/libvirt/qemu/networks/default.xml
+  sed -i 's|<uuid>.*</uuid>|<uuid></uuid>|' "$pkgdir"/etc/libvirt/qemu/networks/default.xml
 
   rm -rf \
     "$pkgdir/run" \
diff --git a/trunk/libvirt.install b/trunk/libvirt.install
new file mode 100644
index 0000000..747bd54
--- /dev/null
+++ b/trunk/libvirt.install
@@ -0,0 +1,7 @@
+post_install() {
+  if [[ -f /etc/libvirt/qemu/networks/default.xml ]]
+  then
+    UUID=$(/usr/bin/uuidgen)
+    sed -i "s|<uuid></uuid>|<uuid>$UUID</uuid>|" /etc/libvirt/qemu/networks/default.xml
+  fi
+}