diff --git a/Rakefile b/Rakefile
index 80078df..e014087 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,19 +1,47 @@
 require 'bundler/gem_tasks'
+require 'rake'
+require 'rspec/core/rake_task'
 
-namespace :cover_me do
+RCOV = RUBY_VERSION.to_f == 1.8  
+
+namespace :spec do
   
-  desc "Generates and opens code coverage report."
-  task :report do
-    require 'cover_me'
-    CoverMe.complete!
+  RSpec::Core::RakeTask.new(:coverage) do |t|
+    t.pattern = 'spec/**/*_spec.rb'
+    
+    if RCOV    
+      t.rcov = true
+      t.rcov_opts = '--exclude osx\/objc,spec,gems\/'
+    end
+  end
+  
+  RSpec::Core::RakeTask.new(:normal) do |t|
+    t.pattern ='spec/**/*_spec.rb'
+    t.rcov = false
+  end
+  
+  namespace :coverage do
+    desc "Cleanup coverage data"
+    task :cleanup do
+      rm_rf 'coverage.data'
+      rm_rf 'coverage'
+    end
+    
+    desc "Browse the code coverage report."
+    task :report => ["spec:coverage:cleanup", "spec:coverage"] do
+      if RCOV
+        require "launchy"
+        Launchy.open("coverage/index.html")
+      else
+        require 'cover_me'
+        CoverMe.complete!
+      end
+    end
   end
   
 end
 
-task :test do
-  Rake::Task['cover_me:report'].invoke
-end
+desc "RSpec tests"
+task "spec" => "spec:normal"
 
-task :spec do
-  Rake::Task['cover_me:report'].invoke
-end
\ No newline at end of file
+task "default" => "spec"
diff --git a/draper.gemspec b/draper.gemspec
index 69f614b..7829cea 100644
--- a/draper.gemspec
+++ b/draper.gemspec
@@ -22,9 +22,15 @@ Gem::Specification.new do |s|
   s.add_development_dependency "rspec", "~> 2.0.1"
   s.add_development_dependency "activesupport", "~> 3.0.9"
   s.add_development_dependency "actionpack", "~> 3.0.9"
-  s.add_development_dependency "ruby-debug19"
   s.add_development_dependency "guard"
   s.add_development_dependency "guard-rspec"
   s.add_development_dependency "rb-fsevent"
-  s.add_development_dependency 'cover_me', '>= 1.0.0.rc6'
+  if RUBY_VERSION.to_f == 1.8
+    s.add_development_dependency "ruby-debug"
+    s.add_development_dependency "rcov"
+    s.add_development_dependency "launchy"
+  else
+    s.add_development_dependency "ruby-debug19"
+    s.add_development_dependency 'cover_me', '>= 1.0.0.rc6'
+  end
 end
diff --git a/lib/draper/all_helpers.rb b/lib/draper/all_helpers.rb
index 15cb806..e348270 100644
--- a/lib/draper/all_helpers.rb
+++ b/lib/draper/all_helpers.rb
@@ -31,7 +31,7 @@ module Draper
           def url_for(*args)
             if args.last.is_a?(Hash) && !args.last[:only_path]
               args = args.dup
-              args << args.pop.merge(host: ActionMailer::Base.default_url_options[:host])
+              args << args.pop.merge('host' => ActionMailer::Base.default_url_options[:host])
             end
             super(*args)
           end
diff --git a/lib/draper/base.rb b/lib/draper/base.rb
index 1b023c3..f76bcb1 100644
--- a/lib/draper/base.rb
+++ b/lib/draper/base.rb
@@ -60,8 +60,8 @@ module Draper
 
   private
     def select_methods
-      specified = self.allowed || (model.public_methods - denied)
-      (specified - self.public_methods) + FORCED_PROXY
+      specified = self.allowed || (model.public_methods.map{|s| s.to_sym} - denied.map{|s| s.to_sym})
+      (specified - self.public_methods.map{|s| s.to_sym}) + FORCED_PROXY
     end
 
     def build_methods
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index b0134af..4f92c1f 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,6 +1,12 @@
 require 'rubygems'
 require 'bundler'
-require 'cover_me'
+
+require 'rspec'
+begin
+  require 'cover_me'
+rescue LoadError
+  # Silently fail
+end
 require './spec/samples/application_helper.rb'
 Bundler.require
 Dir.glob('./spec/samples/*') {|file| require file}