diff --git a/po/sl.po b/po/sl.po
index 1ec928df2..2ced04f11 100644
--- a/po/sl.po
+++ b/po/sl.po
@@ -5436,7 +5436,7 @@ msgstr "Naložena datoteka je bila naložena samo delno."
 
 #: libraries/messages.inc.php:1210
 msgid "Unknown error in file upload."
-msgstr ""
+msgstr "Neznana napaka pri nalaganju datoteke."
 
 #: libraries/messages.inc.php:1211
 #, php-format