diff --git a/po/sl.po b/po/sl.po
index f8ed136b5..d6680b105 100644
--- a/po/sl.po
+++ b/po/sl.po
@@ -179,7 +179,7 @@ msgstr "apr"
 
 #: libraries/messages.inc.php:28
 msgid "May"
-msgstr "Maj"
+msgstr "maj"
 
 #: libraries/messages.inc.php:28
 msgid "Jun"