diff --git a/target/linux/rdc/base-files/lib/preinit/05_set_ether_mac_rdc b/target/linux/rdc/base-files/lib/preinit/05_set_ether_mac_rdc
index 43823c48ea..afb3cb49bf 100644
--- a/target/linux/rdc/base-files/lib/preinit/05_set_ether_mac_rdc
+++ b/target/linux/rdc/base-files/lib/preinit/05_set_ether_mac_rdc
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Copyright (C) 2009 OpenWrt.org
 
-. /etc/boot.sh
+. /lib/functions/boot.sh
 
 r6040_module() {
 	insmod r6040