diff --git a/proxmox.tf b/proxmox.tf
index 805dc0f..95174fc 100644
--- a/proxmox.tf
+++ b/proxmox.tf
@@ -171,7 +171,7 @@ resource "proxmox_virtual_environment_vm" "k8s_vms" {
   }
 
   disk {
-    datastore_id = each.value.datastore
+    datastore_id = each.value.data_store
     size         = each.value.disk_size
     interface    = "scsi1"
   }