diff --git a/src/routes/[actor=actor]/(pages)/+layout.server.ts b/src/routes/[actor=actor]/(pages)/+layout.server.ts
index 21a56959..4150b37c 100644
--- a/src/routes/[actor=actor]/(pages)/+layout.server.ts
+++ b/src/routes/[actor=actor]/(pages)/+layout.server.ts
@@ -2,12 +2,17 @@ import { loadData } from '$lib/website/load';
 import { env } from '$env/dynamic/private';
 import { error } from '@sveltejs/kit';
 import { createCache } from '$lib/cache';
-import type { Handle } from '@atcute/lexicons';
 
-export async function load({ params, platform }) {
+export async function load({ params, platform, request }) {
 	if (env.PUBLIC_IS_SELFHOSTED) error(404);
 
 	const cache = createCache(platform);
 
+	const customDomain = request.headers.get('X-Custom-Domain');
+
+	if (customDomain) {
+		throw error(404, 'Page not found!');
+	}
+
 	return await loadData(params.actor, cache, false, params.page, env);
 }