diff --git a/lib/spree_paypal_express/engine.rb b/lib/spree_paypal_express/engine.rb
index 2df7a03..c37f8c0 100644
--- a/lib/spree_paypal_express/engine.rb
+++ b/lib/spree_paypal_express/engine.rb
@@ -10,7 +10,7 @@ module SpreePaypalExpress
     end
 
     def self.activate
-      Dir.glob(File.join(File.dirname(__FILE__), "../app/**/*_decorator*.rb")) do |c|
+      Dir.glob(File.join(File.dirname(__FILE__), "../../app/**/*_decorator*.rb")) do |c|
         Rails.env.production? ? require(c) : load(c)
       end
     end