diff --git a/packages/backend/src/server/api/endpoints/notes/bubble-timeline.ts b/packages/backend/src/server/api/endpoints/notes/bubble-timeline.ts
index 0652c82a9..c5e3a5a5f 100644
--- a/packages/backend/src/server/api/endpoints/notes/bubble-timeline.ts
+++ b/packages/backend/src/server/api/endpoints/notes/bubble-timeline.ts
@@ -79,9 +79,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				ps.sinceId, ps.untilId, ps.sinceDate, ps.untilDate)
 				.andWhere('note.visibility = \'public\'')
 				.andWhere('note.channelId IS NULL')
-				.andWhere(
-					`(note.userHost = ANY ('{"${instance.bubbleInstances.join('","')}"}'))`,
-				)		
+				.andWhere('note.userHost IN (:...hosts)', { hosts: instance.bubbleInstances })
 				.innerJoinAndSelect('note.user', 'user')
 				.leftJoinAndSelect('note.reply', 'reply')
 				.leftJoinAndSelect('note.renote', 'renote')