diff --git a/po/bg.po b/po/bg.po
index 8bcedc656c..e7b05cde12 100644
--- a/po/bg.po
+++ b/po/bg.po
@@ -8366,7 +8366,7 @@ msgstr ""
 
 #: server_replication.php:331
 msgid "Start IO Thread only"
-msgstr ""
+msgstr "Пускане само на В/И нишка"
 
 #: server_replication.php:333
 msgid "Stop IO Thread only"