diff --git a/po/el.po b/po/el.po
index 76acf391f..93e25ef86 100644
--- a/po/el.po
+++ b/po/el.po
@@ -1251,7 +1251,7 @@ msgstr "Νοεμβρίου"
 
 #: js/messages.php:136
 msgid "December"
-msgstr ""
+msgstr "Δεκεμβρίου"
 
 #. l10n: Short month name
 #: js/messages.php:140 libraries/common.lib.php:1545