diff --git a/poky/meta-poky/conf/distro/include/poky-distro-alt-test-config.inc b/poky/meta-poky/conf/distro/include/poky-distro-alt-test-config.inc
index 273ebfd..9c2d7753 100644
--- a/poky/meta-poky/conf/distro/include/poky-distro-alt-test-config.inc
+++ b/poky/meta-poky/conf/distro/include/poky-distro-alt-test-config.inc
@@ -1,8 +1,8 @@
 # Add an extra DISTRO_FEATURE
-DISTRO_FEATURES_append = " pam"
+DISTRO_FEATURES:append = " pam"
 
 # Use the LTSI Kernel
 PREFERRED_VERSION_linux-yocto = "5.4%"
 
 # Ensure the kernel nfs server is enabled
-KERNEL_FEATURES_append_pn-linux-yocto = " features/nfsd/nfsd-enable.scc"
+KERNEL_FEATURES:append:pn-linux-yocto = " features/nfsd/nfsd-enable.scc"