diff --git a/main.tf b/main.tf
index 2133736b3561db8853f7df629ecfe5b8aaa6b255..e8805382f651ce117357a3d034432e62f10825c2 100644
--- a/main.tf
+++ b/main.tf
@@ -71,7 +71,7 @@ module "create-ohpc-instance" {
     floating_ip_ohpc = module.floating-ip-address.ohpc_address
     ohpc_user =  var.ohpc_user
     ssh_private_key = var.ssh_private_key
-    vol_id = data.openstack_blockstorage_volume_v2.disk.id
+    vol_id = data.openstack_blockstorage_volume_v3.disk.id
 }
 
 # runs the ood-instance module - creates ood instance using variables defined above