diff --git a/debian12/http/preseed.cfg b/debian12/http/preseed.cfg
index abb5abb..dee83ce 100644
--- a/debian12/http/preseed.cfg
+++ b/debian12/http/preseed.cfg
@@ -15,12 +15,10 @@ d-i mirror/http/proxy string
 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
+d-i passwd/root-login boolean true
+d-i passwd/root-password password packer
+d-i passwd/root-password-again password packer
+d-i passwd/make-user boolean false
 
 # timezone
 d-i clock-setup/utc boolean true
diff --git a/debian12/packer.pkr.hcl b/debian12/packer.pkr.hcl
index daefb07..eb8fa90 100644
--- a/debian12/packer.pkr.hcl
+++ b/debian12/packer.pkr.hcl
@@ -118,7 +118,7 @@ source "proxmox-iso" "template" {
   scsi_controller          = "virtio-scsi-single"
   ssh_port                 = 22
   ssh_timeout              = "20m"
-  ssh_username             = "${var.template_username}"
+  ssh_username             = "root"
   ssh_password             = "${var.template_password}"
   template_description     = "${var.template_description}"
   template_name            = "${var.template_name}"