diff --git a/infra/sync-nix/main.tf b/infra/sync-nix/main.tf
index 9b39fc2c..388accc9 100644
--- a/infra/sync-nix/main.tf
+++ b/infra/sync-nix/main.tf
@@ -24,6 +24,7 @@ locals {
 }
 
 # FIXME move to host
+# FIXME add proxmox
 data "external" "base-hash" {
   program = ["sh", "-c", "echo \"{\\\"hash\\\":\\\"$(nix-hash ${path.module}/../common/nixos/base.nix)\\\"}\""]
 }
@@ -45,6 +46,7 @@ resource "terraform_data" "template" {
     environment = {
       NIX_PATH = local.nix_path
     }
+    # FIXME configure to use actual base image
     command = <<-EOF
       set -euo pipefail
 
@@ -73,12 +75,17 @@ resource "proxmox_virtual_environment_file" "upload" {
   }
 }
 
+# FIXME distinguish var.category
 data "proxmox_virtual_environment_vms" "nixos_base" {
   node_name = local.node_name
   filter {
     name = "template"
     values = [true]
   }
+  # filter {
+  #   name = "node_name"
+  #   values = ["nixos-base"]
+  # }
 }
 
 resource "proxmox_virtual_environment_vm" "nix_vm" {