diff --git a/app/controllers/concerns/respond_with.rb b/app/controllers/concerns/respond_with.rb
index 8f1259f6a2..2b849392d5 100644
--- a/app/controllers/concerns/respond_with.rb
+++ b/app/controllers/concerns/respond_with.rb
@@ -35,7 +35,7 @@ module RespondWith
 
   def retrieve_collector_from_mimes(mimes = nil, &block)
     mimes ||= collect_mimes_from_class_level
-    collector = Collector.new(mimes, request.variant)
+    collector = ActionController::Base::Collector.new(mimes, request.variant)
     block.call(collector) if block_given?
     format = collector.negotiate_format(request)