diff --git a/po/sl.po b/po/sl.po
index 27f4bad93..9f1863289 100644
--- a/po/sl.po
+++ b/po/sl.po
@@ -199,7 +199,7 @@ msgstr "sep"
 
 #: libraries/messages.inc.php:28
 msgid "Oct"
-msgstr "Okt"
+msgstr "okt"
 
 #: libraries/messages.inc.php:28
 msgid "Nov"