diff --git a/public/locales/ja/common.json b/public/locales/ja/common.json
index a76669441..e3a0792cd 100644
--- a/public/locales/ja/common.json
+++ b/public/locales/ja/common.json
@@ -210,7 +210,7 @@
         "queued": "キュー",
         "movies": "映画",
         "queue": "キュー",
-        "unknown": "不明"
+        "unknown": "Unknown"
     },
     "lidarr": {
         "wanted": "募集中",