2 files changed, 3 insertions, 1 deletions
diff --git a/activesupport/lib/active_support/notifications/fanout.rb b/activesupport/lib/active_support/notifications/fanout.rb
index aa602329ec..dda71b880e 100644
--- a/activesupport/lib/active_support/notifications/fanout.rb
+++ b/activesupport/lib/active_support/notifications/fanout.rb
@@ -218,6 +218,7 @@ module ActiveSupport
           def finish(name, id, payload)
             stack = Thread.current[:_event_stack]
             event = stack.pop
+            event.payload = payload
             event.finish!
             @delegate.call event
           end
diff --git a/activesupport/lib/active_support/notifications/instrumenter.rb b/activesupport/lib/active_support/notifications/instrumenter.rb
index 7ab39c9bfb..24e1ab313a 100644
--- a/activesupport/lib/active_support/notifications/instrumenter.rb
+++ b/activesupport/lib/active_support/notifications/instrumenter.rb
@@ -52,7 +52,8 @@ module ActiveSupport
     end
 
     class Event
-      attr_reader :name, :time, :end, :transaction_id, :payload, :children
+      attr_reader :name, :time, :end, :transaction_id, :children
+      attr_accessor :payload
 
       def self.clock_gettime_supported? # :nodoc:
         defined?(Process::CLOCK_PROCESS_CPUTIME_ID) &&