diff --git a/activesupport/lib/active_support/log_subscriber.rb b/activesupport/lib/active_support/log_subscriber.rb
index 720954625af82b260fb9303ed8762e5262f54f78..8c3921c4239482aa7a54b5cf386a591f626299d1 100644
--- a/activesupport/lib/active_support/log_subscriber.rb
+++ b/activesupport/lib/active_support/log_subscriber.rb
@@ -111,6 +111,7 @@ def finish(name, id, payload)
       finished  = Time.now
       event     = @event_stack.pop
       event.end = finished
+      event.payload.merge!(payload)
 
       method = name.split('.').first
       begin