diff --git a/target/linux/bcm53xx/base-files/etc/board.d/02_network b/target/linux/bcm53xx/base-files/etc/board.d/02_network
index fa2837cba2..89bd544950 100755
--- a/target/linux/bcm53xx/base-files/etc/board.d/02_network
+++ b/target/linux/bcm53xx/base-files/etc/board.d/02_network
@@ -3,6 +3,7 @@
 # Copyright (C) 2011 OpenWrt.org
 #
 
+. /lib/functions/system.sh
 . /lib/functions/uci-defaults.sh
 
 board_config_update