1 files changed, 3 insertions, 3 deletions
diff --git a/railties/lib/rails/mailers_controller.rb b/railties/lib/rails/mailers_controller.rb
index dd318f52e5..32740d66da 100644
--- a/railties/lib/rails/mailers_controller.rb
+++ b/railties/lib/rails/mailers_controller.rb
@@ -3,8 +3,8 @@ require 'rails/application_controller'
 class Rails::MailersController < Rails::ApplicationController # :nodoc:
   prepend_view_path ActionDispatch::DebugExceptions::RESCUES_TEMPLATE_PATH
 
-  before_filter :require_local!
-  before_filter :find_preview, only: :preview
+  before_action :require_local!
+  before_action :find_preview, only: :preview
 
   def index
     @previews = ActionMailer::Preview.all
@@ -70,4 +70,4 @@ class Rails::MailersController < Rails::ApplicationController # :nodoc:
         @email
       end
     end
-end
-\ No newline at end of file
+end