diff --git a/package/madwifi/files/lib/wifi/madwifi.sh b/package/madwifi/files/lib/wifi/madwifi.sh
index 2fe866410e..a3cf4d75e1 100755
--- a/package/madwifi/files/lib/wifi/madwifi.sh
+++ b/package/madwifi/files/lib/wifi/madwifi.sh
@@ -75,8 +75,7 @@ enable_atheros() {
 	[ -z "$country" ] && country="0"
 	echo "$country" > /proc/sys/dev/$device/countrycode
 
-	config_get outdoor "$device" outdoor
-	[ -z "$outdoor" ] && outdoor="0"
+	config_get_bool outdoor "$device" outdoor "0"
 	echo "$outdoor" > /proc/sys/dev/$device/outdoor
 
 	config_get channel "$device" channel