diff --git a/po/sl.po b/po/sl.po
index d6680b1055..709346c39f 100644
--- a/po/sl.po
+++ b/po/sl.po
@@ -183,7 +183,7 @@ msgstr "maj"
 
 #: libraries/messages.inc.php:28
 msgid "Jun"
-msgstr "Jun"
+msgstr "jun"
 
 #: libraries/messages.inc.php:28
 msgid "Jul"