diff --git a/po/bg.po b/po/bg.po
index 0cc263cd09..8102e00401 100644
--- a/po/bg.po
+++ b/po/bg.po
@@ -1218,7 +1218,7 @@ msgstr "август"
 
 #: js/messages.php:154
 msgid "September"
-msgstr ""
+msgstr "септември"
 
 #: js/messages.php:155
 msgid "October"