diff --git a/src/server/api/endpoints/aggregation/hashtags.ts b/src/server/api/endpoints/aggregation/hashtags.ts
index c5aacd89c..ffeafb253 100644
--- a/src/server/api/endpoints/aggregation/hashtags.ts
+++ b/src/server/api/endpoints/aggregation/hashtags.ts
@@ -3,7 +3,7 @@ import Meta from '../../../../models/meta';
 
 export default () => new Promise(async (res, rej) => {
 	const meta = await Meta.findOne({});
-	const hidedTags = (meta.hidedTags || []).map(t => t.toLowerCase());
+	const hidedTags = meta ? (meta.hidedTags || []).map(t => t.toLowerCase()) : [];
 
 	const span = 1000 * 60 * 60 * 24 * 7; // 1週間
 
diff --git a/src/server/api/endpoints/hashtags/trend.ts b/src/server/api/endpoints/hashtags/trend.ts
index bfa475619..0ec6a4ffe 100644
--- a/src/server/api/endpoints/hashtags/trend.ts
+++ b/src/server/api/endpoints/hashtags/trend.ts
@@ -19,7 +19,7 @@ const max = 5;
  */
 export default () => new Promise(async (res, rej) => {
 	const meta = await Meta.findOne({});
-	const hidedTags = (meta.hidedTags || []).map(t => t.toLowerCase());
+	const hidedTags = meta ? (meta.hidedTags || []).map(t => t.toLowerCase()) : [];
 
 	//#region 1. 直近Aの内に投稿されたハッシュタグ(とユーザーのペア)を集計
 	const data = await Note.aggregate([{