diff --git a/lib/griddler/amazon_ses/railtie.rb b/lib/griddler/amazon_ses/railtie.rb
index 8a4ae03..22f8ae5 100644
--- a/lib/griddler/amazon_ses/railtie.rb
+++ b/lib/griddler/amazon_ses/railtie.rb
@@ -10,7 +10,7 @@ class Railtie < Rails::Railtie
       end
 
       initializer "griddler_ses.configure_rails_initialization" do |app|
-        Rails.application.middleware.insert_before middleware, Griddler::Ses::Middleware
+        Rails.application.middleware.insert_before middleware, Griddler::AmazonSES::Middleware
       end
     end
   end