diff --git a/package/network/config/swconfig/files/switch.sh b/package/network/config/swconfig/files/switch.sh
index 18d5fbd2c3..ba6924d9d2 100644
--- a/package/network/config/swconfig/files/switch.sh
+++ b/package/network/config/swconfig/files/switch.sh
@@ -2,6 +2,7 @@
 # Copyright (C) 2009 OpenWrt.org
 
 setup_switch_dev() {
+	local name
 	config_get name "$1" name
 	name="${name:-$1}"
 	[ -d "/sys/class/net/$name" ] && ifconfig "$name" up