diff --git a/config/initializers/new_framework_defaults_6_0.rb b/config/initializers/new_framework_defaults_6_0.rb
index 91e3f6efb..f8cfdd436 100644
--- a/config/initializers/new_framework_defaults_6_0.rb
+++ b/config/initializers/new_framework_defaults_6_0.rb
@@ -28,7 +28,7 @@ Rails.application.config.active_job.return_false_on_aborted_enqueue = true
 
 # When assigning to a collection of attachments declared via `has_many_attached`, replace existing
 # attachments instead of appending. Use #attach to add new attachments without replacing existing ones.
-# Rails.application.config.active_storage.replace_on_assign_to_many = true
+Rails.application.config.active_storage.replace_on_assign_to_many = true
 
 # Use ActionMailer::MailDeliveryJob for sending parameterized and normal mail.
 #