diff --git a/railties/test/application/load_test.rb b/railties/test/application/load_test.rb
index dc5d03b323..e17f1ebdb0 100644
--- a/railties/test/application/load_test.rb
+++ b/railties/test/application/load_test.rb
@@ -8,7 +8,8 @@ module ApplicationTests
 
     def rackup
       require "rack"
-      Rack::Builder.parse_file("#{app_path}/config.ru")
+      app, options = Rack::Builder.parse_file("#{app_path}/config.ru")
+      app
     end
 
     def setup