diff --git a/po/ca.po b/po/ca.po
index 7eb9d0b83..137b3c239 100644
--- a/po/ca.po
+++ b/po/ca.po
@@ -1279,7 +1279,7 @@ msgstr "Novembre"
 
 #: js/messages.php:136
 msgid "December"
-msgstr ""
+msgstr "Desembre"
 
 #. l10n: Short month name
 #: js/messages.php:140 libraries/common.lib.php:1545