diff --git a/target/linux/ramips/base-files/etc/uci-defaults/02_network b/target/linux/ramips/base-files/etc/uci-defaults/02_network
index b54b555326..b372893989 100755
--- a/target/linux/ramips/base-files/etc/uci-defaults/02_network
+++ b/target/linux/ramips/base-files/etc/uci-defaults/02_network
@@ -3,6 +3,7 @@
 . /lib/functions.sh
 . /lib/ramips.sh
 . /lib/functions/uci-defaults.sh
+. /lib/functions/system.sh
 
 ramips_setup_rt3x5x_vlans()
 {