diff --git a/lib/generators/categoria/initializer_generator.rb b/lib/generators/categoria/initializer_generator.rb
index fe1128a..3b95266 100644
--- a/lib/generators/categoria/initializer_generator.rb
+++ b/lib/generators/categoria/initializer_generator.rb
@@ -4,6 +4,8 @@
 module Categoria
   module Generators
     class InitializerGenerator < ::Rails::Generators::Base
+      extend T::Sig
+
       sig { void }
       def create_categoria_initializer_file
         in_root do
diff --git a/test/domain_driven/config/initializers/categoria.rb b/test/domain_driven/config/initializers/categoria.rb
new file mode 100644
index 0000000..78eb0be
--- /dev/null
+++ b/test/domain_driven/config/initializers/categoria.rb
@@ -0,0 +1,6 @@
+# frozen_string_literal: true
+
+Rails.autoloaders.main.push_dir(
+  "#{Rails.root}/app/lib",
+  namespace: Rails.application.class.module_parent
+)