ww.init(m.uci)
local wnet = ww:get_network(arg[2])
-m.title = wnet and ww:get_i18n(wnet) or translate("Wireless Network")
+
+-- redirect to overview page if network does not exist anymore (e.g. after a revert)
+if not wnet then
+ luci.http.redirect(luci.dispatcher.build_url("admin/network/wireless"))
+ return
+end
+
+m.title = ww:get_i18n(wnet)
local iw = nil