diff --git a/actionpack/lib/action_controller/metal.rb b/actionpack/lib/action_controller/metal.rb
index ec2207b8da71e..1b5b6089c9c8d 100644
--- a/actionpack/lib/action_controller/metal.rb
+++ b/actionpack/lib/action_controller/metal.rb
@@ -39,7 +39,7 @@ def build(action, app = nil, &block)
       EXCLUDE = ->(list, action) { !list.include? action }
       NULL    = ->(list, action) { true }
 
-      def build_middleware(klass, args, block)
+      def build_middleware(klass, *args, &block)
         options = args.extract_options!
         only   = Array(options.delete(:only)).map(&:to_s)
         except = Array(options.delete(:except)).map(&:to_s)