diff --git a/lib/generators/critical_path_css/install_generator.rb b/lib/generators/critical_path_css/install_generator.rb
index b7c221a..0d26f53 100644
--- a/lib/generators/critical_path_css/install_generator.rb
+++ b/lib/generators/critical_path_css/install_generator.rb
@@ -1,7 +1,7 @@
 require 'rails/generators'
 
 module CriticalPathCss
-  class InstallGenerator < Rails::Generators::Base
+  class InstallGenerator < ::Rails::Generators::Base
     source_root File.expand_path('..', __FILE__)
 
     # Copy the needed rake task for generating critical CSS