diff --git a/actionpack/lib/action_dispatch/routing/mapper.rb b/actionpack/lib/action_dispatch/routing/mapper.rb
index ce5c56ae1cb04..9aaa4355f2640 100644
--- a/actionpack/lib/action_dispatch/routing/mapper.rb
+++ b/actionpack/lib/action_dispatch/routing/mapper.rb
@@ -380,7 +380,7 @@ def name
           end
 
           def controller
-            plural
+            options[:controller] || plural
           end
 
           def member_name
diff --git a/actionpack/test/dispatch/routing_test.rb b/actionpack/test/dispatch/routing_test.rb
index 5845c791a02ab..6dccabdb3f6c1 100644
--- a/actionpack/test/dispatch/routing_test.rb
+++ b/actionpack/test/dispatch/routing_test.rb
@@ -65,7 +65,7 @@ def self.matches?(request)
 
         resources :companies do
           resources :people
-          resource  :avatar
+          resource  :avatar, :controller => :avatar
         end
 
         resources :images do
@@ -294,34 +294,34 @@ def test_global
   def test_projects
     with_test_routes do
       get '/projects'
-      assert_equal 'projects#index', @response.body
+      assert_equal 'project#index', @response.body
       assert_equal '/projects', projects_path
 
       post '/projects'
-      assert_equal 'projects#create', @response.body
+      assert_equal 'project#create', @response.body
 
       get '/projects.xml'
-      assert_equal 'projects#index', @response.body
+      assert_equal 'project#index', @response.body
       assert_equal '/projects.xml', projects_path(:format => 'xml')
 
       get '/projects/new'
-      assert_equal 'projects#new', @response.body
+      assert_equal 'project#new', @response.body
       assert_equal '/projects/new', new_project_path
 
       get '/projects/new.xml'
-      assert_equal 'projects#new', @response.body
+      assert_equal 'project#new', @response.body
       assert_equal '/projects/new.xml', new_project_path(:format => 'xml')
 
       get '/projects/1'
-      assert_equal 'projects#show', @response.body
+      assert_equal 'project#show', @response.body
       assert_equal '/projects/1', project_path(:id => '1')
 
       get '/projects/1.xml'
-      assert_equal 'projects#show', @response.body
+      assert_equal 'project#show', @response.body
       assert_equal '/projects/1.xml', project_path(:id => '1', :format => 'xml')
 
       get '/projects/1/edit'
-      assert_equal 'projects#edit', @response.body
+      assert_equal 'project#edit', @response.body
       assert_equal '/projects/1/edit', edit_project_path(:id => '1')
     end
   end
@@ -383,7 +383,7 @@ def test_projects_companies
       assert_equal '/projects/1/companies/1/people', project_company_people_path(:project_id => '1', :company_id => '1')
 
       get '/projects/1/companies/1/avatar'
-      assert_equal 'avatars#show', @response.body
+      assert_equal 'avatar#show', @response.body
       assert_equal '/projects/1/companies/1/avatar', project_company_avatar_path(:project_id => '1', :company_id => '1')
     end
   end