diff --git a/src/pages/posts/rss.xml.js b/src/pages/posts/rss.xml.js
index 95592a6..5f38bcc 100644
--- a/src/pages/posts/rss.xml.js
+++ b/src/pages/posts/rss.xml.js
@@ -10,6 +10,7 @@ export async function GET(context) {
 		site: context.site,
 		items: posts.map((post) => ({
 			...post.data,
+			categories: post.data.tags,
 			link: `/posts/${post.slug}/`,
 		})),
 	});