diff --git a/app/controllers/memos_controller.rb b/app/controllers/memos_controller.rb
index 2d2c058d4..a47ddf787 100644
--- a/app/controllers/memos_controller.rb
+++ b/app/controllers/memos_controller.rb
@@ -159,7 +159,8 @@ class MemosController < ApplicationController
            @memo.update_column(:content, params[:memo][:content]) &&
            @memo.update_column(:sticky, params[:memo][:sticky]) &&
            @memo.update_column(:lock, params[:memo][:lock]) &&
-           @memo.update_column(:subject,params[:memo][:subject]))
+           @memo.update_column(:subject,params[:memo][:subject]) &&
+           @memo.update_column(:updated_at,Time.now))
         @memo.save_attachments(params[:attachments] || (params[:memo] && params[:memo][:uploads]))
         @flag = @memo.save
         # @memo.root.update_attribute(:updated_at, @memo.updated_at)