diff --git a/debian/changelog b/debian/changelog
index 3d2edc6a..48a41782 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -3,6 +3,7 @@ livecd-rootfs (2.65.8) UNRELEASED; urgency=low
   * live-build/auto/config:
     - Add some manual hints to work around slightly different dependency
       resolution for metapackages vs. tasks.
+    - Use kernel and X enablement stacks for Mythbuntu amd64/i386 too.
 
  -- Colin Watson <cjwatson@ubuntu.com>  Tue, 15 Jan 2013 17:27:59 +0000
 
diff --git a/live-build/auto/config b/live-build/auto/config
index 0f78b6b9..4351461e 100755
--- a/live-build/auto/config
+++ b/live-build/auto/config
@@ -214,9 +214,27 @@ case $PROJECT in
 		;;
 
 	mythbuntu)
-		add_task install minimal standard mythbuntu-desktop
+		case $ARCH in
+			amd64|i386)
+				# We have to use metapackages rather than
+				# tasks, so that the X enablement stack can
+				# be used rather than the normal stack.
+				# This changes dependency resolution
+				# sufficiently that some manual hints are
+				# needed.
+				add_package install ubuntu-minimal ubuntu-standard mythbuntu-desktop notify-osd
+				;;
+			*)
+				add_task install minimal standard mythbuntu-desktop
+				;;
+		esac
 		LIVE_TASK='mythbuntu-live'
 		COMPONENTS='main restricted universe multiverse'
+		case $ARCH in
+			amd64|i386)
+				KERNEL_FLAVOURS=generic-lts-quantal
+				;;
+		esac
 		;;
 
 	lubuntu)