diff --git a/po/sk.po b/po/sk.po
index 17f239ded2..0a05b82ff2 100644
--- a/po/sk.po
+++ b/po/sk.po
@@ -1275,7 +1275,7 @@ msgstr "August"
 
 #: js/messages.php:154
 msgid "September"
-msgstr ""
+msgstr "September"
 
 #: js/messages.php:155
 #, fuzzy