diff --git a/meta-security/meta-tpm/recipes-kernel/linux/linux-yocto_tpm.inc b/meta-security/meta-tpm/recipes-kernel/linux/linux-yocto_tpm.inc
index cea8b1b..909c42d 100644
--- a/meta-security/meta-tpm/recipes-kernel/linux/linux-yocto_tpm.inc
+++ b/meta-security/meta-tpm/recipes-kernel/linux/linux-yocto_tpm.inc
@@ -1,12 +1,12 @@
-FILESEXTRAPATHS_prepend := "${THISDIR}/linux-yocto:"
+FILESEXTRAPATHS:prepend := "${THISDIR}/linux-yocto:"
 
 # Enable tpm in kernel 
-SRC_URI_append_x86 = " \
+SRC_URI:append:x86 = " \
     ${@bb.utils.contains('MACHINE_FEATURES', 'tpm', 'file://tpm.scc', '', d)} \
     ${@bb.utils.contains('MACHINE_FEATURES', 'tpm2', 'file://tpm2.scc', '', d)} \
     "
 
-SRC_URI_append_x86-64 = " \
+SRC_URI:append:x86-64 = " \
     ${@bb.utils.contains('MACHINE_FEATURES', 'tpm', 'file://tpm.scc', '', d)} \
     ${@bb.utils.contains('MACHINE_FEATURES', 'tpm2', 'file://tpm2.scc', '', d)} \
     "