diff --git a/po/de.po b/po/de.po
index 4d5fd43eb..030771f7e 100644
--- a/po/de.po
+++ b/po/de.po
@@ -1116,7 +1116,7 @@ msgstr "November"
 
 #: js/messages.php:92
 msgid "December"
-msgstr ""
+msgstr "Dezember"
 
 #. l10n: Short month name
 #: js/messages.php:96 libraries/messages.inc.php:28