diff --git a/package/madwifi/files/lib/wifi/madwifi.sh b/package/madwifi/files/lib/wifi/madwifi.sh
index 9198615538..3560880606 100755
--- a/package/madwifi/files/lib/wifi/madwifi.sh
+++ b/package/madwifi/files/lib/wifi/madwifi.sh
@@ -94,7 +94,7 @@ enable_atheros() {
 
 		[ "$first" = 1 ] && {
 			# only need to change freq band and channel on the first vif
-			config_get agmode "$device" mode
+			config_get agmode "$device" agmode
 			pureg=0
 			case "$agmode" in
 				*b) agmode=11b;;