diff --git a/debian12/http/preseed.cfg b/debian12/http/preseed.cfg
index 122413e..abb5abb 100644
--- a/debian12/http/preseed.cfg
+++ b/debian12/http/preseed.cfg
@@ -17,6 +17,7 @@ d-i mirror/suite string bookworm
 # account
 d-i passwd/root-login boolean false
 d-i passwd/make-user boolean true
+d-i passwd/user-fullname string Packer
 d-i passwd/username string packer
 d-i passwd/user-password password packer
 d-i passwd/user-password-again password packer