diff --git a/po/bg.po b/po/bg.po
index 366e38df9d..917e728790 100644
--- a/po/bg.po
+++ b/po/bg.po
@@ -1440,7 +1440,7 @@ msgstr ""
 
 #: libraries/File.class.php:328
 msgid "Unknown error in file upload."
-msgstr ""
+msgstr "Неизвестна грешка при качване."
 
 #: libraries/File.class.php:559
 msgid ""