diff --git a/po/zh_TW.po b/po/zh_TW.po
index 5e7509b27d..d26b15a86d 100644
--- a/po/zh_TW.po
+++ b/po/zh_TW.po
@@ -1444,7 +1444,7 @@ msgstr "五"
 #. l10n: Short week day name
 #: js/messages.php:218 libraries/common.lib.php:1606
 msgid "Sat"
-msgstr "Sat"
+msgstr "六"
 
 #. l10n: Minimal week day name
 #: js/messages.php:222