diff --git a/packages/backend/src/server/api/endpoints/notes/search.ts b/packages/backend/src/server/api/endpoints/notes/search.ts
index 8d8b21238..e75fe0ef6 100644
--- a/packages/backend/src/server/api/endpoints/notes/search.ts
+++ b/packages/backend/src/server/api/endpoints/notes/search.ts
@@ -50,6 +50,8 @@ export default define(meta, paramDef, async (ps, me) => {
 
 		if (ps.userId) {
 			query.andWhere('note.userId = :userId', { userId: ps.userId });
+		} else if (ps.host) {
+			query.andWhere('note.userHost = :host', { host: ps.host });
 		} else if (ps.channelId) {
 			query.andWhere('note.channelId = :channelId', { channelId: ps.channelId });
 		}