diff --git a/meta-phosphor/nuvoton-layer/recipes-connectivity/jsnbd/jsnbd_git.bbappend b/meta-phosphor/nuvoton-layer/recipes-connectivity/jsnbd/jsnbd_git.bbappend
index 3ccc087..1061a92 100644
--- a/meta-phosphor/nuvoton-layer/recipes-connectivity/jsnbd/jsnbd_git.bbappend
+++ b/meta-phosphor/nuvoton-layer/recipes-connectivity/jsnbd/jsnbd_git.bbappend
@@ -1,9 +1,9 @@
-FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
+FILESEXTRAPATHS:prepend := "${THISDIR}/${PN}:"
 
-FILES_${PN} += "${sysconfdir}/nbd-proxy/state"
+FILES:${PN} += "${sysconfdir}/nbd-proxy/state"
 SRC_URI += "file://state_hook"
 
-do_install_append() {
+do_install:append() {
     install -d ${D}${sysconfdir}/nbd-proxy/
     install -m 0755 ${WORKDIR}/state_hook ${D}${sysconfdir}/nbd-proxy/state
 }