diff --git a/destroy-runner.sh b/destroy-runner.sh
index 69a1b48..59d62de 100755
--- a/destroy-runner.sh
+++ b/destroy-runner.sh
@@ -7,5 +7,5 @@ vm=$base_vm.$1; shift
 libvirt_vm=$SERVO_CI_LIBVIRT_PREFIX-$vm
 
 virsh destroy $libvirt_vm || :
-virsh undefine $libvirt_vm || :
+virsh undefine --nvram $libvirt_vm || :
 zfs destroy -v $SERVO_CI_ZFS_PREFIX/$vm