diff --git a/config/application.rb b/config/application.rb
index 87379743..e242e367 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -37,6 +37,6 @@ class Application < Rails::Application
 
     config.assets.precompile = ["manifest.js"]
 
-    config.middleware.insert_after Rack::Runtime, ReplaceSemicolonWithAmpersand
+    config.middleware.insert_after Rack::Runtime, Middleware::ReplaceSemicolonWithAmpersand
   end
 end