diff --git a/app/controllers/announcements_controller.rb b/app/controllers/announcements_controller.rb
index 482cd8f..3835a9c 100644
--- a/app/controllers/announcements_controller.rb
+++ b/app/controllers/announcements_controller.rb
@@ -203,7 +203,7 @@ class AnnouncementsController < ApplicationController
           "title" => announcement.title,
           "categories-title" => t("announcement.categories"),
           "update_user" => update_user,
-          "updated_at" => announcement.updated_at.strftime('%Y-%m-%d %H:%M'),
+          "updated_at" => announcement.postdate.strftime('%Y-%m-%d %H:%M'),
           "body" =>announcement.text,
           "image" => announcement.image.url,
           "dept_link" => "/#{I18n.locale.to_s + page.url}/?unit=#{announcement.cache_dept}",