diff --git a/build_lxc.sh b/build_lxc.sh
index 0d49e29..69049cd 100755
--- a/build_lxc.sh
+++ b/build_lxc.sh
@@ -60,7 +60,7 @@ if [ ! -d $CACHEDIR ]; then
     # trigger the initial debootstrap
     lxc-create -n $CONTAINER -t natty -f $LXC_CONF
     chroot $CACHEDIR apt-get update
-    chroot $CACHEDIR apt-get install -y `cat files/apts/* | cut -d\# -f1 | egrep -v "(rabbitmq|libvirt-bin|mysql-server)"`
+    chroot $CACHEDIR apt-get install -y --force-yes `cat files/apts/* | cut -d\# -f1 | egrep -v "(rabbitmq|libvirt-bin|mysql-server)"`
     chroot $CACHEDIR pip install `cat files/pips/*`
     git clone https://github.com/cloudbuilders/nova.git $CACHEDIR/opt/nova
     git clone https://github.com/cloudbuilders/openstackx.git $CACHEDIR/opt/openstackx