diff --git a/po/ja.po b/po/ja.po
index 877715b96..31ea687ca 100644
--- a/po/ja.po
+++ b/po/ja.po
@@ -1308,7 +1308,7 @@ msgstr "10 月"
 
 #: js/messages.php:156
 msgid "November"
-msgstr ""
+msgstr "11 月"
 
 #: js/messages.php:157
 msgid "December"