diff --git a/playbooks/roles/bifrost-create-vm-nodes/defaults/required_defaults_CentOS.yml b/playbooks/roles/bifrost-create-vm-nodes/defaults/required_defaults_CentOS.yml
index a13175243..1dc0e5d26 100644
--- a/playbooks/roles/bifrost-create-vm-nodes/defaults/required_defaults_CentOS.yml
+++ b/playbooks/roles/bifrost-create-vm-nodes/defaults/required_defaults_CentOS.yml
@@ -6,6 +6,7 @@ required_packages:
  - qemu-kvm-tools
  - qemu-kvm
  - qemu-kvm-common
+ - qemu-system-x86
  - sgabios
  - sgabios-bin
  - libvirt
@@ -24,5 +25,4 @@ required_packages:
  - python-lxml
  - pkgconfig
  - libvirt-devel
-test_vm_machine: "pc"
-test_vm_emulator: "/usr/libexec/qemu-kvm"
+test_vm_emulator: "/bin/qemu-system-x86_64"