diff --git a/src/nostr/nip05.ts b/src/nostr/nip05.ts
index aabf5b93eb66f6f69bd2bf8bc1cf497473891886..a5787aadfadb86799a108d5ff827ff407590caf8 100644
--- a/src/nostr/nip05.ts
+++ b/src/nostr/nip05.ts
@@ -14,7 +14,7 @@ import type { Context } from '@/deps.ts';
 async function nostrController(c: Context) {
   const name = c.req.query('name');
 
-  if (!/^\w+_at_[a-z0-9.-]+$/i.test(name)) {
+  if (!/^[a-z0-9.-]+_at_[a-z0-9.-]+$/i.test(name)) {
     return c.json({ error: 'Invalid name.' }, 400);
   }