lib/ember-cli-rails.rb in ember-cli-rails-0.0.7 vs lib/ember-cli-rails.rb in ember-cli-rails-0.0.8

@@ -25,13 +25,11 @@
   end
 
   def enable!
     prepare!
 
-    Rails.application.instance_eval do
-      singleton_class.instance_eval do
-        alias_method :call_without_ember_cli, :call
-      end
+    Rails.application.singleton_class.class_eval do
+      alias_method :call_without_ember_cli, :call
 
       def call(env)
         @_ember_cli_enabled ||= begin
           EmberCLI.compile!
           EmberCLI.run! if Rails.env.development?