diff --git a/etc/kayobe/kolla/config/nova.conf b/etc/kayobe/kolla/config/nova.conf
index ff6599836..d1000be56 100644
--- a/etc/kayobe/kolla/config/nova.conf
+++ b/etc/kayobe/kolla/config/nova.conf
@@ -1,2 +1,2 @@
 [libvirt]
-hw_machine_type = q35
+hw_machine_type = x86_64=q35