diff --git a/app/controllers/api/products_controller.rb b/app/controllers/api/products_controller.rb
index bc99830dcd..6fb774ee7d 100644
--- a/app/controllers/api/products_controller.rb
+++ b/app/controllers/api/products_controller.rb
@@ -1,4 +1,5 @@
 require 'open_food_network/permissions'
+require 'spree/product_duplicator'
 
 module Api
   class ProductsController < Api::BaseController
diff --git a/spec/controllers/api/products_controller_spec.rb b/spec/controllers/api/products_controller_spec.rb
index 6bf2cba312..b033a5b0b0 100644
--- a/spec/controllers/api/products_controller_spec.rb
+++ b/spec/controllers/api/products_controller_spec.rb
@@ -1,4 +1,5 @@
 require 'spec_helper'
+require 'spree/product_duplicator'
 
 describe Api::ProductsController, type: :controller do
   render_views
diff --git a/spec/models/spree/product_spec.rb b/spec/models/spree/product_spec.rb
index 16c7006795..fee483257a 100644
--- a/spec/models/spree/product_spec.rb
+++ b/spec/models/spree/product_spec.rb
@@ -1,4 +1,5 @@
 require 'spec_helper'
+require 'spree/product_duplicator'
 
 module Spree
   describe Product do