diff --git a/app/javascript/src/javascripts/common.js b/app/javascript/src/javascripts/common.js
index 6d8eb9776..f2ae7e975 100644
--- a/app/javascript/src/javascripts/common.js
+++ b/app/javascript/src/javascripts/common.js
@@ -9,7 +9,7 @@ $(function() {
 
   $("#hide-promotion-notice").on("click.danbooru", function(e) {
     $("#promotion-notice").hide();
-    Cookie.put("hide_promotion_notice", "1", 1 * 18 * 60 * 60);
+    Cookie.put("hide_winter_sale_notice", "1", 1 * 60 * 60);
     Cookie.put("hide_upgrade_account_notice", "1", 7 * 24 * 60 * 60);
     e.preventDefault();
   });
diff --git a/app/views/layouts/default.html.erb b/app/views/layouts/default.html.erb
index a12cb7945..67a8c53cc 100644
--- a/app/views/layouts/default.html.erb
+++ b/app/views/layouts/default.html.erb
@@ -80,7 +80,7 @@
   <div id="page">
     <%= render "users/verification_notice" %>
 
-    <% if Danbooru.config.is_promotion? && cookies[:hide_promotion_notice].blank? %>
+    <% if Danbooru.config.is_promotion? && cookies[:hide_winter_sale_notice].blank? %>
       <div class="notice notice-info notice-small flex text-center items-center justify-center gap-2" id="promotion-notice">
         <% file = %w[provgift.png kemogift.png padoru.gif ablobgift.gif].sample %>
         <%= tag.img src: "/images/#{file}", width: 32, height: 32 %>