I have namespaced Controller Entities::Customers

```
class Entities::CustomersController < ApplicationController
...
end

```

and namespaced ActiveRecord model:

```
class Entities::Customer < Entities::User

end

```

in my routes.rb file i have:

```
 resources :customers, module: :entities

```

The module :entities is there because i don't want to have routes such as:

*/entities/customers* but only:

*/customers*.

The problem starts when i'm rendering my form:

```
<%= simple_form_for(@customer) do |f| %>
      <%= f.input :email %>
      <%= f.input :password %>
      <%= f.input :name %>
      <%= f.button :submit %>
<% end %>

```

This throws error: **undefined method `entities\_customer\_path' for Class..**

So the error is that rails think that the correct path is with prefix entities.

Rake routes give me:

```
             Prefix Verb   URI Pattern                   Controller#Action
      customers GET    /customers(.:format)          entities/customers#index
                POST   /customers(.:format)          entities/customers#create
   new_customer GET    /customers/new(.:format)      entities/customers#new
  edit_customer GET    /customers/:id/edit(.:format) entities/customers#edit
       customer GET    /customers/:id(.:format)      entities/customers#show
                PATCH  /customers/:id(.:format)      entities/customers#update
                PUT    /customers/:id(.:format)      entities/customers#update
                DELETE /customers/:id(.:format)      entities/customers#destroy

```