diff --git a/live-build/ubuntu-cpc/hooks/031-root-xz.binary b/live-build/ubuntu-cpc/hooks/031-root-xz.binary
index b2503adb..a3ee963d 100755
--- a/live-build/ubuntu-cpc/hooks/031-root-xz.binary
+++ b/live-build/ubuntu-cpc/hooks/031-root-xz.binary
@@ -1,3 +1,9 @@
 #!/bin/bash -ex
+# vi: ts=4 noexpandtab
+#
+# Generate the rootfs.tar.gz and manifest
+
+dpkg-query --admindir=binary/boot/filesystem.dir/var/lib/dpkg -W > livecd.ubuntu-cpc.rootfs.manifest
+
 (cd "binary/boot/filesystem.dir/" && tar -c *) | \
     xz > "livecd.ubuntu-cpc.rootfs.tar.xz"