diff --git a/zotan.pw-web/Pages/blog/JsonFeed.cs b/zotan.pw-web/Pages/blog/JsonFeed.cs
index 18941e6..6763790 100644
--- a/zotan.pw-web/Pages/blog/JsonFeed.cs
+++ b/zotan.pw-web/Pages/blog/JsonFeed.cs
@@ -7,7 +7,7 @@ namespace zotanpw_web.Pages.blog;
 public class JsonFeed : Controller {
 	public static readonly JsonFeedObject Feedobj = new JsonFeedObject {
 		Items = BlogModel.Posts.Take(10).Select(post => new JsonFeedItem(post.Shorthand, $"https://zotan.pw/blog/{post.Shorthand}", post.Title, post.Content,
-															    post.PublishedOn.ToDateTime(TimeOnly.MinValue).ToString("O")))
+															    post.PublishedOn.ToDateTime(TimeOnly.MinValue).ToString("yyyy-MM-ddT00:00:00Z")))
 						 .ToList()
 	};