diff --git a/vmseed.txt b/vmseed.txt
index ed16492..81d4bfe 100644
--- a/vmseed.txt
+++ b/vmseed.txt
@@ -45,6 +45,7 @@ d-i netcfg/wireless_wep string
 
 d-i mirror/country string manual
 d-i mirror/suite string buster
+d-i mirror/codename string buster
 d-i mirror/http/hostname string http.us.debian.org
 d-i mirror/http/directory string /debian
 d-i mirror/http/proxy string