diff --git a/po/el.po b/po/el.po
index fbb01c202..c366449cf 100644
--- a/po/el.po
+++ b/po/el.po
@@ -1318,7 +1318,7 @@ msgstr "Κυρ"
 #. l10n: Short week day name
 #: js/messages.php:177 libraries/common.lib.php:1572
 msgid "Mon"
-msgstr "Δευτέρα"
+msgstr "Δευ"
 
 #. l10n: Short week day name
 #: js/messages.php:179 libraries/common.lib.php:1574