diff --git a/Gemfile b/Gemfile
index ec994d62c..782c3b8f5 100644
--- a/Gemfile
+++ b/Gemfile
@@ -15,10 +15,6 @@ group :assets do
   gem 'sass-rails' #, github: 'rails/sass-rails'
   gem 'coffee-rails'
   gem 'coffee-script-source'
-
-  # use dedicated version of sprockets, 3.0.0 is broken
-  gem 'sprockets', '~> 2.0'
-
   gem 'uglifier'
   gem 'eco'
 end
diff --git a/app/assets/javascripts/app/lib/spine/route.coffee b/app/assets/javascripts/app/lib/spine/route.coffee
index 58138e9e9..1c98ffa12 100644
--- a/app/assets/javascripts/app/lib/spine/route.coffee
+++ b/app/assets/javascripts/app/lib/spine/route.coffee
@@ -9,9 +9,10 @@ escapeRegExp = /[-[\]{}()+?.,\\^$|#\s]/g
 
 class Path extends Spine.Module
 
-  constructor: (@path, @callback) ->
+  constructor: (path, callback) ->
     @names = []
-
+    @path = path
+    @callback = callback
     if typeof path is 'string'
       namedParam.lastIndex = 0
       while (match = namedParam.exec(path)) != null