 		message = JSON.parse(message)
 		if message.room_id == "all"
 			io.sockets.emit(message.message, message.payload...)
-		else
+		else if message.room_id?
 			io.sockets.in(message.room_id).emit(message.message, message.payload...)
 		

Settings = require 'settings-sharelatex'
redis = require("redis-sharelatex")
rclientPub = redis.createClient(Settings.redis.web)
rclientSub = redis.createClient(Settings.redis.web)

	rclientSub: rclientSub

	emitToRoom: (room_id, message, payload...) ->
		if !room_id?
			logger.err {err: new Error("Empty room_id"), message, payload}, "error emitting to room"
			return
		@rclientPub.publish "editor-events", JSON.stringify
			room_id: room_id
			message: message
