diff --git a/packages/backend/src/server/api/endpoints/notes/hybrid-timeline.ts b/packages/backend/src/server/api/endpoints/notes/hybrid-timeline.ts
index 3acfe634de..a22f43c79b 100644
--- a/packages/backend/src/server/api/endpoints/notes/hybrid-timeline.ts
+++ b/packages/backend/src/server/api/endpoints/notes/hybrid-timeline.ts
@@ -206,7 +206,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				if (defaultTag == null) {
 					qb.orWhere('(note.visibility = \'public\') AND (note.userHost IS NULL)');
 				} else {
-					qb.orWhere(`(note.visibility = 'public') AND (':t' = any(note.tags)`, { t: normalizeForSearch(defaultTag) });
+					qb.orWhere(`(note.visibility = 'public') AND (:t <@ note.tags`, { t: normalizeForSearch(defaultTag) });
 				}
 			}))
 			.innerJoinAndSelect('note.user', 'user')
diff --git a/packages/backend/src/server/api/endpoints/notes/local-timeline.ts b/packages/backend/src/server/api/endpoints/notes/local-timeline.ts
index 0c812d2775..a2806c1787 100644
--- a/packages/backend/src/server/api/endpoints/notes/local-timeline.ts
+++ b/packages/backend/src/server/api/endpoints/notes/local-timeline.ts
@@ -161,7 +161,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				if (defaultTag == null) {
 					qb.andWhere('note.userHost IS NULL');
 				} else {
-					qb.andWhere(`':t' = any(note.tags)`, { t: normalizeForSearch(defaultTag) });
+					qb.andWhere(`:t <@ note.tags`, { t: normalizeForSearch(defaultTag) });
 				}
 			}))
 			.innerJoinAndSelect('note.user', 'user')