-diff --git a/mcp/scripts/lib.sh b/mcp/scripts/lib.sh
-index 679b997..af57dcc 100644
---- a/mcp/scripts/lib.sh
-+++ b/mcp/scripts/lib.sh
-@@ -18,7 +18,7 @@ cleanup_vms() {
- # clean up existing nodes
- for node in $(virsh list --name | grep -P '\w{3}\d{2}'); do
- virsh destroy $node
-- virsh undefine $node
-+ virsh undefine --nvram $node
- done
- }
-