diff --git a/app/views/layouts/default.html.erb b/app/views/layouts/default.html.erb
index 968be757e..3b75652dc 100644
--- a/app/views/layouts/default.html.erb
+++ b/app/views/layouts/default.html.erb
@@ -99,7 +99,7 @@
       <%= render "users/ban_notice" %>
     <% end %>
 
-    <% if CurrentUser.has_mail? && CurrentUser.dmails.unread.first.present? && cookies[:hide_dmail_notice].to_i != CurrentUser.dmails.unread.first.id %>
+    <% if CurrentUser.has_mail? && CurrentUser.dmails.unread.first.present? && (cookies[:hide_dmail_notice].blank? || cookies[:hide_dmail_notice].to_i < CurrentUser.dmails.unread.first.id) %>
       <%= render "users/dmail_notice" %>
     <% end %>