diff --git a/po/ja.po b/po/ja.po
index acdc0a281..4c2f2330b 100644
--- a/po/ja.po
+++ b/po/ja.po
@@ -1361,7 +1361,7 @@ msgstr "10 月"
 #. l10n: Short month name
 #: js/messages.php:181 libraries/common.lib.php:1588
 msgid "Nov"
-msgstr ""
+msgstr "11 月"
 
 #. l10n: Short month name
 #: js/messages.php:183 libraries/common.lib.php:1590