diff --git a/terraform/main.tf b/terraform/main.tf
index e5e8e76..f841751 100644
--- a/terraform/main.tf
+++ b/terraform/main.tf
@@ -24,7 +24,7 @@ resource "hcloud_server" "wg_server" {
     hcloud_ssh_key.wg_server_ssh_key.id
   ]
   user_data = templatefile("${path.module}/templates/user-data.tpl", {
-    wg_server_own_privatekey  = var.wg_server_own_privatekey
-    wg_server_peer_publickeys = var.wg_server_peer_publickeys
+    wg_server_wg_privatekey      = var.wg_server_wg_privatekey
+    wg_server_wg_peer_publickeys = var.wg_server_wg_peer_publickeys
   })
 }
diff --git a/terraform/templates/user-data.tpl b/terraform/templates/user-data.tpl
index 877195f..0a51b31 100644
--- a/terraform/templates/user-data.tpl
+++ b/terraform/templates/user-data.tpl
@@ -5,12 +5,12 @@ write_files:
     owner: "root:root"
     permissions: "0600"
     content: |
-      ${wg_server_own_privatekey}
+      ${wg_server_wg_privatekey}
   - path: "/etc/wireguard/wg0-peers.conf"
     owner: "root:root"
     permissions: "0644"
     content: |
-      %{~ for index, pubkey in wg_server_peer_publickeys ~}
+      %{~ for index, pubkey in wg_server_wg_peer_publickeys ~}
       [Peer]
       PublicKey = ${pubkey}
       AllowedIPs = 10.10.10.${index+2}/32, fd10:10:10::${index+2}/128
diff --git a/terraform/terraform.tfvars.sample b/terraform/terraform.tfvars.sample
index b07ae3e..3cf04e3 100644
--- a/terraform/terraform.tfvars.sample
+++ b/terraform/terraform.tfvars.sample
@@ -7,5 +7,5 @@ wg_server_location = ""
 wg_server_ssh_publickey      = ""
 wg_server_ssh_publickey_name = ""
 
-wg_server_own_privatekey  = ""
-wg_server_peer_publickeys = []
+wg_server_wg_privatekey      = ""
+wg_server_wg_peer_publickeys = []
diff --git a/terraform/variables.tf b/terraform/variables.tf
index cd66332..0ffb128 100644
--- a/terraform/variables.tf
+++ b/terraform/variables.tf
@@ -32,12 +32,12 @@ variable "wg_server_ssh_publickey_name" {
   description = "SSH public key name"
 }
 
-variable "wg_server_own_privatekey" {
+variable "wg_server_wg_privatekey" {
   type        = string
   description = "WireGuard private key"
 }
 
-variable "wg_server_peer_publickeys" {
+variable "wg_server_wg_peer_publickeys" {
   type        = list(string)
   description = "WireGuard peer public keys"
 }