diff --git a/jasmine/jasmine.headless-reporter.coffee b/jasmine/jasmine.headless-reporter.coffee
index da553c5..d34e792 100644
--- a/jasmine/jasmine.headless-reporter.coffee
+++ b/jasmine/jasmine.headless-reporter.coffee
@@ -1,5 +1,5 @@
 if !jasmine?
-  throw new Exception("jasmine not laoded!")
+  throw new Error("jasmine not laoded!")
 
 class HeadlessReporterResult
   constructor: (name) ->
diff --git a/jasmine/jasmine.headless-reporter.js b/jasmine/jasmine.headless-reporter.js
index e1a34b6..ca8ed50 100644
--- a/jasmine/jasmine.headless-reporter.js
+++ b/jasmine/jasmine.headless-reporter.js
@@ -2,7 +2,7 @@
   var HeadlessReporterResult;
   var __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };
   if (!(typeof jasmine !== "undefined" && jasmine !== null)) {
-    throw new Exception("jasmine not laoded!");
+    throw new Error("jasmine not laoded!");
   }
   HeadlessReporterResult = (function() {
     function HeadlessReporterResult(name) {
diff --git a/lib/jasmine/headless/railtie.rb b/lib/jasmine/headless/railtie.rb
index 02441c4..8c3908f 100644
--- a/lib/jasmine/headless/railtie.rb
+++ b/lib/jasmine/headless/railtie.rb
@@ -1,5 +1,25 @@
 require 'jasmine/headless/task'
 
+module Digest
+  class JasmineTest
+    def self.file(file)
+      new
+    end
+
+    def file(file)
+      self
+    end
+    
+    def hexdigest
+      'test'
+    end
+
+    def update(prefix)
+      self
+    end
+  end
+end
+
 module Jasmine
   module Headless
     class Railtie < Rails::Railtie
@@ -7,6 +27,15 @@ module Jasmine
         Jasmine::Headless::Task.new do |t|
           t.colors = true
         end
+
+        if Rails.version >= "3.1.0"
+          desc 'Force generate static assets without an MD5 hash, all assets end with -test.<ext>'
+          task 'assets:precompile:for_testing' => :environment do
+            Rails.application.assets.digest_class = Digest::JasmineTest
+
+            Rake::Task['assets:precompile'].invoke
+          end
+        end
       end
     end
   end