diff --git a/gluon/gluon-mesh-batman-adv-core/files/lib/gluon/upgrade/320-gluon-mesh-batman-adv-core-wireless b/gluon/gluon-mesh-batman-adv-core/files/lib/gluon/upgrade/320-gluon-mesh-batman-adv-core-wireless
index 74b40d8..cf3a188 100755
--- a/gluon/gluon-mesh-batman-adv-core/files/lib/gluon/upgrade/320-gluon-mesh-batman-adv-core-wireless
+++ b/gluon/gluon-mesh-batman-adv-core/files/lib/gluon/upgrade/320-gluon-mesh-batman-adv-core-wireless
@@ -77,7 +77,6 @@ uci:foreach('wireless', 'wifi-device',
 for index, radio in ipairs(radios) do
 	local hwmode = uci:get('wireless', radio, 'hwmode')
 
-	local config
 	if hwmode == '11g' or hwmode == '11ng' then
 	  configure_radio(radio, index, site.wifi24)
 	elseif hwmode == '11a' or hwmode == '11na' then