diff --git a/ArchiSteamFarm/Localization/Strings.ja-JP.resx b/ArchiSteamFarm/Localization/Strings.ja-JP.resx
index 6cc764f72..0d40ede1c 100644
--- a/ArchiSteamFarm/Localization/Strings.ja-JP.resx
+++ b/ArchiSteamFarm/Localization/Strings.ja-JP.resx
@@ -331,7 +331,10 @@
     <value>&lt;{0}&gt; WCF ホストを入力してください: </value>
     <comment>{0} will be replaced by bot's name. Please note that this translation should end with space</comment>
   </data>
-  
+  <data name="WarningUnknownValuePleaseReport" xml:space="preserve">
+    <value>{0} に不明な値を受信しました。この問題を報告してください: {1}</value>
+    <comment>{0} will be replaced by object's name, {1} will be replaced by value for that object</comment>
+  </data>
   <data name="WarningTooManyGamesToPlay" xml:space="preserve">
     <value>同時に{0} つより多くのゲームをプレイすることはできません。{1} から最初の{0} だけが使用されます！</value>
     <comment>{0} will be replaced by max number of games, {1} will be replaced by name of the configuration property</comment>