 		if _.isEmpty usersTyping[room]?.users
 			usersTyping[room] = { users: {} }
 			stream.on room, (typing) ->
-				unless typing.username is Meteor.user()?.username
+				unless typing?.username is Meteor.user()?.username
 					if typing.start
 						users = usersTyping[room].users
 						users[typing.username] = Meteor.setTimeout ->


		renew = false
		selfTyping.set true
		stream.emit 'typing', { room: room, username: Meteor.user().username, start: true }
		clearTimeout timeouts[room]
		timeouts[room] = Meteor.setTimeout ->
			stop(room)

		if timeouts?[room]?
			clearTimeout(timeouts[room]) 
			timeouts[room] = null
		stream.emit 'typing', { room: room, username: Meteor.user()?.username, stop: true }
		
	get = (room) ->
		dep.depend()
