diff --git a/railties/lib/rails/generators/rails/plugin_new/plugin_new_generator.rb b/railties/lib/rails/generators/rails/plugin_new/plugin_new_generator.rb
index 9461589ff5..7d40162e3b 100644
--- a/railties/lib/rails/generators/rails/plugin_new/plugin_new_generator.rb
+++ b/railties/lib/rails/generators/rails/plugin_new/plugin_new_generator.rb
@@ -44,7 +44,7 @@ module Rails
     end
 
     def config
-      template "config/routes.rb" if mountable?
+      template "config/routes.rb" if full?
     end
 
     def test
diff --git a/railties/lib/rails/generators/rails/plugin_new/templates/config/routes.rb b/railties/lib/rails/generators/rails/plugin_new/templates/config/routes.rb
index 42ddf380d8..8e158d5831 100644
--- a/railties/lib/rails/generators/rails/plugin_new/templates/config/routes.rb
+++ b/railties/lib/rails/generators/rails/plugin_new/templates/config/routes.rb
@@ -1,3 +1,6 @@
+<% if mountable? -%>
 <%= camelized %>::Engine.routes.draw do
-
+<% else -%>
+Rails.application.routes.draw do
+<% end -%>
 end
diff --git a/railties/test/generators/plugin_new_generator_test.rb b/railties/test/generators/plugin_new_generator_test.rb
index 2a9e8046b8..001a9ef7c9 100644
--- a/railties/test/generators/plugin_new_generator_test.rb
+++ b/railties/test/generators/plugin_new_generator_test.rb
@@ -38,8 +38,9 @@ class PluginNewGeneratorTest < Rails::Generators::TestCase
     assert_file "things-43/lib/things-43.rb", /module Things43/
   end
 
-  def test_generating_test_files
+  def test_generating_without_options
     run_generator
+    assert_no_file "config/routes.rb"
     assert_file "test/test_helper.rb"
     assert_file "test/bukkits_test.rb", /assert_kind_of Module, Bukkits/
   end
@@ -151,6 +152,7 @@ class PluginNewGeneratorTest < Rails::Generators::TestCase
 
   def test_creating_engine_in_full_mode
     run_generator [destination_root, "--full"]
+    assert_file "config/routes.rb", /Rails.application.routes.draw do/
     assert_file "lib/bukkits/engine.rb", /module Bukkits\n  class Engine < Rails::Engine\n  end\nend/
     assert_file "lib/bukkits.rb", /require "bukkits\/engine"/
   end