diff --git a/po/ru.po b/po/ru.po
index b90e5ade5..c002e398b 100644
--- a/po/ru.po
+++ b/po/ru.po
@@ -1369,7 +1369,7 @@ msgstr "Пятница"
 
 #: js/messages.php:175
 msgid "Saturday"
-msgstr ""
+msgstr "Суббота"
 
 #. l10n: Short week day name
 #: js/messages.php:179 libraries/common.lib.php:1563