diff --git a/spec/private/rails/rails_adapter_spec.rb b/spec/private/rails/rails_adapter_spec.rb
index 3b5cb46..1aaf9c5 100644
--- a/spec/private/rails/rails_adapter_spec.rb
+++ b/spec/private/rails/rails_adapter_spec.rb
@@ -1,5 +1,6 @@
 require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper')
 
+require "action_controller"
 require "webrat/rails"
 
 describe Webrat::RailsAdapter do