diff --git a/debian/changelog b/debian/changelog
index 066a02c7..43105f51 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,11 @@
+livecd-rootfs (2.380) UNRELEASED; urgency=medium
+
+  * Refactor ubuntu-cpc hooks to hard-code producing an 'ext4' rootfs, which
+    is used outside of the livecd-rootfs build process (specifically for EC2
+    publication).
+
+ -- Daniel Watkins <daniel.watkins@canonical.com>  Mon, 22 Feb 2016 11:29:26 +0000
+
 livecd-rootfs (2.379) xenial; urgency=medium
 
   * add /var/lib/systemd/rfkill to pre-created dirs to use as writable
diff --git a/live-build/auto/config b/live-build/auto/config
index 0935826c..a471a680 100755
--- a/live-build/auto/config
+++ b/live-build/auto/config
@@ -103,7 +103,7 @@ add_binary_hook ()
 
 case $PROJECT in
 	ubuntu-cpc)
-		IMAGEFORMAT=plain
+		IMAGEFORMAT=ext4
 		;;
 esac
 
@@ -117,7 +117,13 @@ case $IMAGEFORMAT in
 				COMPONENTS='main restricted universe multiverse'
 				;;
 			*)
-				add_package live jasper
+				case $PROJECT in
+					ubuntu-cpc)
+						;;
+					*)
+						add_package live jasper
+						;;
+				esac
 				;;
 		esac
 		;;
diff --git a/live-build/ubuntu-cpc/hooks/030-root-tarball.binary b/live-build/ubuntu-cpc/hooks/030-root-tarball.binary
index 28d920ce..f3e1c9e5 100755
--- a/live-build/ubuntu-cpc/hooks/030-root-tarball.binary
+++ b/live-build/ubuntu-cpc/hooks/030-root-tarball.binary
@@ -7,6 +7,9 @@ fi
 
 . /build/config/functions
 
+mkdir binary/boot/filesystem.dir
+cp -a chroot/* binary/boot/filesystem.dir
+
 setup_mountpoint binary/boot/filesystem.dir
 
 chroot binary/boot/filesystem.dir dpkg-divert --local --rename /usr/sbin/grub-probe