diff --git a/resources/lang/ja/web.php b/resources/lang/ja/web.php
index 713846e37..5c5567dfc 100644
--- a/resources/lang/ja/web.php
+++ b/resources/lang/ja/web.php
@@ -55,6 +55,7 @@ return [
 		'drive' => 'ドライブ',
 		'settings' => '設定',
 		'compose' => '新規投稿',
+		'logout' => 'Logout',
 
 		// Nav footer
 		'about' => 'このサーバーについて',