diff --git a/.gitea/workflows/terraform-plan.yml b/.gitea/workflows/terraform-plan.yml
index 5456fb2..9f8a56b 100644
--- a/.gitea/workflows/terraform-plan.yml
+++ b/.gitea/workflows/terraform-plan.yml
@@ -17,8 +17,10 @@ jobs:
       pull-requests: write
 
     env:
+      TF_VAR_TAILSCALE_KEY: ${{ secrets.TAILSCALE_KEY }}
+      TF_VAR_TS_AUTHKEY: ${{ secrets.TAILSCALE_KEY }}
       TF_VAR_ssh_key: ${{ secrets.SSH_PUBLIC_KEY }}
-      TF_VAR_tailscale_key: ${{ secrets.TAILSCALE_KEY }}
+
 
     steps:
       - name: Checkout repository
diff --git a/terraform/cloud-init.tf b/terraform/cloud-init.tf
index 553b9b8..3950b62 100644
--- a/terraform/cloud-init.tf
+++ b/terraform/cloud-init.tf
@@ -4,13 +4,14 @@ data "template_file" "cloud_init_alpaca" {
   template = file("${path.module}/files/cloud_init.yaml")
 
   vars = {
-    ssh_key       = var.ssh_key
-    hostname      = "alpaca-${count.index + 1}"
-    domain        = "home.arpa"
-    tailscale_key = var.tailscale_key
+    ssh_key   = var.ssh_key
+    hostname  = "alpaca-${count.index + 1}"
+    domain    = "home.arpa"
+    TS_AUTHKEY = var.TS_AUTHKEY
   }
 }
 
+
 resource "local_file" "cloud_init_alpaca" {
   count    = var.alpaca_vm_count
   content  = data.template_file.cloud_init_alpaca[count.index].rendered
@@ -38,13 +39,14 @@ data "template_file" "cloud_init_llama" {
   template = file("${path.module}/files/cloud_init.yaml")
 
   vars = {
-    ssh_key       = var.ssh_key
-    hostname      = "llama-${count.index + 1}"
-    domain        = "home.arpa"
-    tailscale_key = var.tailscale_key
+    ssh_key   = var.ssh_key
+    hostname  = "llama-${count.index + 1}"
+    domain    = "home.arpa"
+    TS_AUTHKEY = var.TS_AUTHKEY
   }
 }
 
+
 resource "local_file" "cloud_init_llama" {
   count    = var.llama_vm_count
   content  = data.template_file.cloud_init_llama[count.index].rendered
diff --git a/terraform/variables.tf b/terraform/variables.tf
index 6369347..397e4f8 100644
--- a/terraform/variables.tf
+++ b/terraform/variables.tf
@@ -74,11 +74,12 @@ variable "llama_vm_count" {
   description = "How many Llama VMs to create"
 }
 
-variable "tailscale_key" {
+variable "TS_AUTHKEY" {
   type        = string
-  description = "Tailscale auth key"
+  description = "Tailscale auth key used in cloud-init"
 }
 
+
 variable "ssh_key" {
   type        = string
   description = "Public SSH key used by cloud-init"