diff --git a/app/controllers/memos_controller.rb b/app/controllers/memos_controller.rb
index d7510c385..1e537ff75 100644
--- a/app/controllers/memos_controller.rb
+++ b/app/controllers/memos_controller.rb
@@ -84,7 +84,7 @@ class MemosController < ApplicationController
         @reply_pages = Paginator.new @reply_count, pre_count, page
         @replies = @memo.children.
                     includes(:author, :attachments).
-                    reorder("#{Memo.table_name}.created_at ASC").
+                    reorder("#{Memo.table_name}.created_at DESC").
                     limit(@reply_pages.per_page).
                     offset(@reply_pages.offset).
                     all