diff --git a/config/routes.rb b/config/routes.rb
deleted file mode 100644
index 41771a9..0000000
--- a/config/routes.rb
+++ /dev/null
@@ -1,12 +0,0 @@
-Rails.application.routes.prepend do
-  resources :email_preview, :controller => 'email_preview', :only => [:index, :show] do
-    collection do
-      get :navigation
-    end
-    member do
-      post :deliver
-      get :details
-      get :preview
-    end
-  end
-end
diff --git a/lib/email_preview.rb b/lib/email_preview.rb
index ad141ed..eed782a 100644
--- a/lib/email_preview.rb
+++ b/lib/email_preview.rb
@@ -1,6 +1,7 @@
 require 'mail'
 require 'email_preview/engine'
 require 'email_preview/fixture'
+require 'email_preview/railtie' if defined?(Rails)
 
 module EmailPreview
   class << self
diff --git a/lib/email_preview/railtie.rb b/lib/email_preview/railtie.rb
new file mode 100644
index 0000000..fb7b2f0
--- /dev/null
+++ b/lib/email_preview/railtie.rb
@@ -0,0 +1,18 @@
+module EmailPreview
+  class Railtie < Rails::Railtie
+    initializer 'email_preview.prepend_routes' do
+      Rails.application.routes.prepend do
+        resources :email_preview, :controller => 'email_preview', :only => [:index, :show] do
+          collection do
+            get :navigation
+          end
+          member do
+            post :deliver
+            get :details
+            get :preview
+          end
+        end
+      end
+    end
+  end
+end
\ No newline at end of file