1 files changed, 2 insertions, 2 deletions
diff --git a/actionpack/lib/action_controller/metal/instrumentation.rb b/actionpack/lib/action_controller/metal/instrumentation.rb
index dc3ea939e6..16cbbce2fb 100644
--- a/actionpack/lib/action_controller/metal/instrumentation.rb
+++ b/actionpack/lib/action_controller/metal/instrumentation.rb
@@ -14,12 +14,12 @@ module ActionController
 
     attr_internal :view_runtime
 
-    def process_action(action, *args)
+    def process_action(*args)
       raw_payload = {
         :controller => self.class.name,
         :action     => self.action_name,
         :params     => request.filtered_parameters,
-        :formats    => request.formats.map(&:to_sym),
+        :format     => request.format.ref,
         :method     => request.method,
         :path       => (request.fullpath rescue "unknown")
       }