diff --git a/spec/generators/decorator/decorator_generator_spec.rb b/spec/generators/decorator/decorator_generator_spec.rb
index 271063f..2218cb2 100644
--- a/spec/generators/decorator/decorator_generator_spec.rb
+++ b/spec/generators/decorator/decorator_generator_spec.rb
@@ -1,4 +1,5 @@
 require 'spec_helper'
+require 'rails'
 require 'ammeter/init'
 require 'generators/decorator/decorator_generator'