--- zfs-2.0.0/config/zfs-build.m4~	2020-10-08 18:41:58.000000000 +0200
+++ zfs-2.0.0/config/zfs-build.m4	2020-12-24 23:45:01.909714362 +0100
@@ -479,7 +479,7 @@
 	AC_MSG_CHECKING([default init directory])
 	case "$VENDOR" in
 		freebsd)    initdir=$sysconfdir/rc.d  ;;
-		*)          initdir=$sysconfdir/init.d;;
+		*)          initdir=$sysconfdir/rc.d/init.d;;
 	esac
 	AC_MSG_RESULT([$initdir])
 	AC_SUBST(initdir)