diff --git a/app/src/main/res/values-ja/strings.xml b/app/src/main/res/values-ja/strings.xml
index 9fb4a30be..1099aed75 100644
--- a/app/src/main/res/values-ja/strings.xml
+++ b/app/src/main/res/values-ja/strings.xml
@@ -497,4 +497,5 @@
     <string name="devicetype_xwatch">XWatch</string>
 
     <string name="notification_channel_name">Gadgetbridge 通知</string>
-</resources>
+<string name="on">オン</string>
+    </resources>