diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index a74da8cd9a..b7f4aace64 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -941,8 +941,8 @@ desktop/views/pages/admin/admin.unverify-user.vue:
 
 desktop/views/pages/admin/admin.chart.vue:
   title: "チャート"
-  per-day: "1時間ごと"
-  per-hour: "1日ごと"
+  per-day: "1日ごと"
+  per-hour: "1時間ごと"
   notes: "投稿"
   users: "ユーザー"
   drive: "ドライブ"