diff --git a/lib/csv2db/rails.rb b/lib/csv2db/rails.rb
index 0434d4c..2207c1b 100644
--- a/lib/csv2db/rails.rb
+++ b/lib/csv2db/rails.rb
@@ -13,6 +13,8 @@ class Engine < Rails::Engine
 
     initializer 'csv2db.add_controller_helpers' do
       ActiveSupport.on_load(:action_controller) do
+        require_relative '../../app/controllers/concerns/csv2db/controller_helpers'
+
         include Csv2db::ControllerHelpers
       end
     end