Inflections issue with script/generate scaffold

I need to add two infections for a single term in order to have Rails behave correctly:

1) inflect.irregular 'factura_condominio', 'facturas_condominio'
2) inflect.irregular 'FacturaCondominio', 'FacturasCondominio'

If I only use (1) then I get:

create  app/controllers/factura_condominios_controller.rb
create  test/functional/factura_condominios_controller_test.rb
create  app/helpers/factura_condominios_helper.rb
create  test/unit/helpers/factura_condominios_helper_test.rb
 route  map.resources :factura_condominios

If I only use (2) then I get

create    test/fixtures/factura_condominios.yml
create    db/migrate/20090608162459_create_factura_condominios.rb

Not only the migration filename is incorrect, but the whole migration is invalid as the migration filename doesn't match its class name (CreateFacturasCondominio). Therefore it fails with this error: "uninitialized constant CreateFacturaCondominios"

Even if I manually fix all the problems the migration, and use set_table_name in the model, I get into trouble further down the road when I try to use the REST helpers. For example, the call to new_factura_condominio_path (written by the scaffolding code) is not recognized.

There is one more thing. script/destroy also fails to remove all the files created by script/generate scaffold.

To work around all this problems, I just have to use both inflections. But having to use both is clearly not the desired behavior.