diff --git a/language/ja_JP/admin.lang.php b/language/ja_JP/admin.lang.php
index 1fca45195..c73ceb694 100644
--- a/language/ja_JP/admin.lang.php
+++ b/language/ja_JP/admin.lang.php
@@ -744,5 +744,5 @@ $lang['Activate Navigation Thumbnails'] = 'ナビゲーションのサムネー
 $lang['Activate icon "%s"'] = '"%s"のアイコンを有効する';
 $lang['Activate field "%s"'] = '"%s"のフィールドを有効する';
 $lang['Photo Properties'] = '写真のプロパティ';
-
+$lang['Allow user customization'] = 'ユーザーのカスタマイズを有効にする';
 ?>
\ No newline at end of file
diff --git a/tools/translation_validated.inc.php b/tools/translation_validated.inc.php
index 3e00d921b..ee938970a 100644
--- a/tools/translation_validated.inc.php
+++ b/tools/translation_validated.inc.php
@@ -82,6 +82,7 @@ $validated_keys = array(
 	'IP',
 	'Sent by',
 	'%d Kb',
+	'',
 	),
   'pl_PL' => array(
  	'',