diff --git a/mastodon/src/main/res/values-ja-rJP/strings.xml b/mastodon/src/main/res/values-ja-rJP/strings.xml
index a621daa1..bb3fa37b 100644
--- a/mastodon/src/main/res/values-ja-rJP/strings.xml
+++ b/mastodon/src/main/res/values-ja-rJP/strings.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<resources>
+<resources xmlns:tools="http://schemas.android.com/tools" tools:ignore="MissingTranslation">
 	<string name="log_in">ログイン</string>
 	<string name="next">次へ</string>
 	<string name="loading_instance">サーバー情報を取得しています…</string>