diff --git a/public/locales/ja/modules/calendar.json b/public/locales/ja/modules/calendar.json
index 47e5a2288..1beb5497b 100644
--- a/public/locales/ja/modules/calendar.json
+++ b/public/locales/ja/modules/calendar.json
@@ -12,7 +12,10 @@
       },
       "radarrReleaseType": {
         "label": "ラダーリリースタイプ"
+      },
+      "hideWeekDays": {
+        "label": ""
       }
     }
   }
-}
+}
\ No newline at end of file