diff --git a/meta-efi-secure-boot/recipes-kernel/linux/kernel-initramfs.bbappend b/meta-efi-secure-boot/recipes-kernel/linux/kernel-initramfs.bbappend
index 7a82aa7..bb61f70 100644
--- a/meta-efi-secure-boot/recipes-kernel/linux/kernel-initramfs.bbappend
+++ b/meta-efi-secure-boot/recipes-kernel/linux/kernel-initramfs.bbappend
@@ -4,56 +4,33 @@ inherit user-key-store deploy
 do_install[nostamp] = "1"
 
 fakeroot python do_sign() {
-    initramfs = None
-
     if d.getVar('BUNDLE', True) == '0':
-        initramfs = d.expand('${D}/boot/${INITRAMFS_IMAGE}${INITRAMFS_EXT_NAME}.cpio.gz')
+        for compr in d.getVar('INITRAMFS_FSTYPES').split():
+            uks_sel_sign(d.expand('${D}/boot/${INITRAMFS_IMAGE}${INITRAMFS_EXT_NAME}.') + compr, d)
     else:
-        initramfs = d.expand('${D}/boot/${KERNEL_IMAGETYPE}-initramfs${INITRAMFS_EXT_NAME}')
-
-    if initramfs == None or not os.path.exists(initramfs):
-        return
-
-    uks_sel_sign(initramfs, d)
+        uks_sel_sign(d.expand('${D}/boot/${KERNEL_IMAGETYPE}-initramfs${INITRAMFS_EXT_NAME}'), d)
 }
 addtask sign after do_install before do_deploy do_package
 do_sign[prefuncs] += "check_deploy_keys"
 
 do_deploy() {
-    initramfs=""
-    initramfs_dest=""
-
-    if [ "${BUNDLE}" = "0" ]; then
-        initramfs="${D}/boot/${INITRAMFS_IMAGE}${INITRAMFS_EXT_NAME}.cpio.gz"
-        initramfs_dest="${DEPLOYDIR}/${INITRAMFS_IMAGE}-${MACHINE}.cpio.gz"
-    else
-        initramfs="${D}/boot/${KERNEL_IMAGETYPE}-initramfs${INITRAMFS_EXT_NAME}"
-        initramfs_dest="${DEPLOYDIR}/${KERNEL_IMAGETYPE}-initramfs-${MACHINE}.bin"
-    fi
-
-    if [ -f "$initramfs.p7b" ]; then
-        install -d "${DEPLOYDIR}"
-
-        install -m 0644 "$initramfs.p7b" "$initramfs_dest.p7b"
-    fi
+    install -d "${DEPLOYDIR}"
+    for SIG in ${D}/boot/*.p7b; do
+        install -m 0644 ${SIG} ${DEPLOYDIR}
+    done
 }
 addtask deploy after do_install before do_build
 
-pkg_postinst_${PN}_append() {
-    if [ "${BUNDLE}" = "1" ] ; then
-        update-alternatives --install "/boot/${KERNEL_IMAGETYPE}.p7b" \
-            "${KERNEL_IMAGETYPE}.p7b" \
-            "/boot/${KERNEL_IMAGETYPE}-initramfs${INITRAMFS_EXT_NAME}.p7b" 50101
-    fi
-
-    true
-}
-
-pkg_prerm_${PN}_append() {
-    if [ "${BUNDLE}" = "1" ] ; then
-        update-alternatives --remove "${KERNEL_IMAGETYPE}.p7b" \
-            "${KERNEL_IMAGETYPE}-initramfs${INITRAMFS_EXT_NAME}.p7b"
-    fi
-
-    true
+python do_package_prepend () {
+    if d.getVar('BUNDLE') == '1':
+        d.appendVar(d.expand('ALTERNATIVE_${PN}'), ' ' + d.expand('${KERNEL_IMAGETYPE}' + '-initramfs.p7b'))
+        d.setVarFlag('ALTERNATIVE_LINK_NAME', d.expand('${KERNEL_IMAGETYPE}') + '-initramfs.p7b', d.expand('/boot/${KERNEL_IMAGETYPE}-initramfs.p7b'))
+        d.setVarFlag('ALTERNATIVE_TARGET', d.expand('${KERNEL_IMAGETYPE}') + '-initramfs.p7b', d.expand('/boot/${KERNEL_IMAGETYPE}-initramfs${INITRAMFS_EXT_NAME}.p7b'))
+        d.setVarFlag('ALTERNATIVE_PRIORITY', d.expand('${KERNEL_IMAGETYPE}') + '-initramfs.p7b', '50101')
+    else:
+        for compr in d.getVar('INITRAMFS_FSTYPES').split():
+            d.appendVar(d.expand('ALTERNATIVE_${PN}'), ' ' + d.expand('${INITRAMFS_IMAGE}') + '.p7b')
+            d.setVarFlag('ALTERNATIVE_LINK_NAME', d.expand('${INITRAMFS_IMAGE}') + '.p7b', d.expand('/boot/${INITRAMFS_IMAGE}.p7b'))
+            d.setVarFlag('ALTERNATIVE_TARGET', d.expand('${INITRAMFS_IMAGE}') + '.p7b', d.expand('/boot/${INITRAMFS_IMAGE}${INITRAMFS_EXT_NAME}.' + compr + '.p7b'))
+            d.setVarFlag('ALTERNATIVE_PRIORITY', d.expand('${INITRAMFS_IMAGE}') + '.p7b', '50101')
 }
diff --git a/meta/recipes-core/images/kernel-initramfs.bb b/meta/recipes-core/images/kernel-initramfs.bb
index 5b17403..fd23e74 100644
--- a/meta/recipes-core/images/kernel-initramfs.bb
+++ b/meta/recipes-core/images/kernel-initramfs.bb
@@ -35,39 +35,38 @@ do_populate_lic[depends] += "virtual/kernel:do_deploy"
 do_install() {
     [ -z "${INITRAMFS_IMAGE}" ] && exit 0
 
+    install -d "${D}/boot"
     if [ "${BUNDLE}" = "0" ]; then
-        for suffix in cpio.gz cpio.lzo cpio.lzma cpio.xz; do
+        for suffix in ${INITRAMFS_FSTYPES}; do
             img="${DEPLOY_DIR_IMAGE}/${INITRAMFS_IMAGE}-${MACHINE}.$suffix"
 
-	    if [ -s "$img" ]; then
-                install -d "${D}/boot"
-                install -m 0644 "$img" \
-                    "${D}/boot/${INITRAMFS_IMAGE}${INITRAMFS_EXT_NAME}.$suffix"
-		break
-            fi
+            install -m 0644 "$img" \
+                "${D}/boot/${INITRAMFS_IMAGE}${INITRAMFS_EXT_NAME}.$suffix"
 	done
     else
 	if [ -e "${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}-initramfs-${MACHINE}.bin" ]; then
-	    install -d "${D}/boot"
             install -m 0644 "${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}-initramfs-${MACHINE}.bin" \
                 "${D}/boot/${KERNEL_IMAGETYPE}-initramfs${INITRAMFS_EXT_NAME}"
 	fi
     fi
 }
 
-pkg_postinst_${PN}() {
-    if [ "${BUNDLE}" = "1" ]; then
-        update-alternatives --install "/boot/${KERNEL_IMAGETYPE}" \
-            "${KERNEL_IMAGETYPE}" "/boot/${KERNEL_IMAGETYPE}-initramfs${INITRAMFS_EXT_NAME}" \
-            50101 || true
-    fi
-}
+inherit update-alternatives
 
-pkg_prerm_${PN}() {
-    if [ "${BUNDLE}" = "1" ]; then
-        update-alternatives --remove "${KERNEL_IMAGETYPE}" \
-            "${KERNEL_IMAGETYPE}-initramfs${INITRAMFS_EXT_NAME}" || true
-    fi
+ALTERNATIVES_${PN} = ""
+
+python do_package_prepend () {
+    if d.getVar('BUNDLE') == '1':
+        d.appendVar(d.expand('ALTERNATIVE_${PN}'), ' ' + d.expand('${KERNEL_IMAGETYPE}' + '-initramfs'))
+        d.setVarFlag('ALTERNATIVE_LINK_NAME', d.expand('${KERNEL_IMAGETYPE}') + '-initramfs', d.expand('/boot/${KERNEL_IMAGETYPE}-initramfs'))
+        d.setVarFlag('ALTERNATIVE_TARGET', d.expand('${KERNEL_IMAGETYPE}') + '-initramfs', d.expand('/boot/${KERNEL_IMAGETYPE}-initramfs${INITRAMFS_EXT_NAME}'))
+        d.setVarFlag('ALTERNATIVE_PRIORITY', d.expand('${KERNEL_IMAGETYPE}') + '-initramfs', '50101')
+    else:
+        for compr in d.getVar('INITRAMFS_FSTYPES').split():
+            d.appendVar(d.expand('ALTERNATIVE_${PN}'), ' ' + d.expand('${INITRAMFS_IMAGE}'))
+            d.setVarFlag('ALTERNATIVE_LINK_NAME', d.expand('${INITRAMFS_IMAGE}'), d.expand('/boot/${INITRAMFS_IMAGE}'))
+            d.setVarFlag('ALTERNATIVE_TARGET', d.expand('${INITRAMFS_IMAGE}'), d.expand('/boot/${INITRAMFS_IMAGE}${INITRAMFS_EXT_NAME}.' + compr))
+            d.setVarFlag('ALTERNATIVE_PRIORITY', d.expand('${INITRAMFS_IMAGE}'), '50101')
 }
 
 PACKAGE_ARCH = "${MACHINE_ARCH}"