diff --git a/meta-openembedded/meta-oe/recipes-extended/polkit/polkit-group-rule.inc b/meta-openembedded/meta-oe/recipes-extended/polkit/polkit-group-rule.inc
index e38e344..4aeeb77 100644
--- a/meta-openembedded/meta-oe/recipes-extended/polkit/polkit-group-rule.inc
+++ b/meta-openembedded/meta-oe/recipes-extended/polkit/polkit-group-rule.inc
@@ -6,8 +6,8 @@
 
 inherit useradd
 
-do_install_prepend() {
+do_install:prepend() {
     install -m 700 -d ${D}${sysconfdir}/polkit-1/rules.d
     chown polkitd:root ${D}/${sysconfdir}/polkit-1/rules.d
 }
-USERADD_PARAM_${PN}_prepend = "--system --no-create-home --user-group --home-dir ${sysconfdir}/polkit-1 polkitd;"
+USERADD_PARAM:${PN}:prepend = "--system --no-create-home --user-group --home-dir ${sysconfdir}/polkit-1 polkitd;"