diff --git a/packages/sysutils/busybox/scripts/udhcp.script b/packages/sysutils/busybox/scripts/udhcp.script
index 462ffc5378..60ded0980c 100755
--- a/packages/sysutils/busybox/scripts/udhcp.script
+++ b/packages/sysutils/busybox/scripts/udhcp.script
@@ -19,6 +19,7 @@ case "$1" in
     while route del default gw 0.0.0.0 dev $interface; do
       :
     done
+    echo >/var/run/udhcpc
     metric=0
     for i in $router; do
       route add default gw $i dev $interface metric $((metric++))