diff --git a/app/assets/javascripts/backbone/helpers/channels.js.coffee.erb b/app/assets/javascripts/backbone/helpers/channels.js.coffee.erb
index 727c15d3..64336d53 100644
--- a/app/assets/javascripts/backbone/helpers/channels.js.coffee.erb
+++ b/app/assets/javascripts/backbone/helpers/channels.js.coffee.erb
@@ -31,7 +31,7 @@ class Kandan.Helpers.Channels
     if $(document).data('active-channel-id') == undefined
       return $("#kandan .ui-tabs-panel")
         .eq(@selectedTab())
-        .data("channel_id")
+        .data("channel-id")
     else
       return $(document).data("active-channel-id")
 
@@ -59,7 +59,7 @@ class Kandan.Helpers.Channels
   @getChannelIdByTabIndex: (tabIndex)->
     $("#kandan .ui-tabs-panel")
       .eq(tabIndex)
-      .data("channel_id")
+      .data("channel-id")
 
   @getTabIndexByChannelId: (channelId)->
     $("#channels-#{channelId}").prevAll("div").length
@@ -128,7 +128,7 @@ class Kandan.Helpers.Channels
     activityAttributes["created_at"] = new Date()
     for el in $channelElements
       $(el).append(@newActivityView(activityAttributes).render().el)
-      @flushActivities($(el).closest(".ui-widget-content").data("channel_id"))
+      @flushActivities($(el).closest(".ui-widget-content").data("channel-id"))
       @setPaginationData(activityAttributes.channel_id)
 
 
diff --git a/app/assets/javascripts/backbone/views/channel_pane.js.coffee b/app/assets/javascripts/backbone/views/channel_pane.js.coffee
index 4fc87199..2d262358 100644
--- a/app/assets/javascripts/backbone/views/channel_pane.js.coffee
+++ b/app/assets/javascripts/backbone/views/channel_pane.js.coffee
@@ -11,7 +11,7 @@ class Kandan.Views.ChannelPane extends Backbone.View
 
   setIdAndData: (container)->
     $(container).attr "id", "channels-#{@options.channel.get("id")}"
-    $(container).data "channel_id", @options.channel.get('id')
+    $(container).data "channel-id", @options.channel.get('id')
 
   paginatedActivitiesView: ()->
     view = new Kandan.Views.PaginatedActivities({channel: @options.channel})