   ###
   removeTalkingParticipant: (nickname) ->
 
-    removeFromCollection @state.talkingParticipants, nickname, =>
-      @emitChange()
+    removeFromCollection @state.talkingParticipants, nickname, @bound 'emitChange'
 
 
   ###*

  ###
  addTalkingParticipant: (nickname) ->

    pushToCollection @state.talkingParticipants, nickname, =>
      @emitChange()


  ###*

  ###
  addVideoConnectedParticipant: (nickname) ->

    pushToCollection @state.connectedParticipants, nickname, @bound 'emitChange'


  ###*
