diff --git a/astro.config.ts b/astro.config.ts
index c8d4f627d86dfa..5784d641b2b82f 100644
--- a/astro.config.ts
+++ b/astro.config.ts
@@ -167,8 +167,9 @@ export default defineConfig({
 		icon(),
 		sitemap({
 			filter(page) {
-				return !page.startsWith(
-					"https://developers.cloudflare.com/style-guide/",
+				return (
+					!page.startsWith("https://developers.cloudflare.com/style-guide/") ||
+					!page.endsWith("/404/")
 				);
 			},
 			serialize(item) {