diff --git a/lib/neutron b/lib/neutron
index 44fb9e1..3f39d33 100644
--- a/lib/neutron
+++ b/lib/neutron
@@ -110,6 +110,10 @@
 Q_USE_DEBUG_COMMAND=${Q_USE_DEBUG_COMMAND:-False}
 # The name of the default q-l3 router
 Q_ROUTER_NAME=${Q_ROUTER_NAME:-router1}
+# nova vif driver that all plugins should use
+NOVA_VIF_DRIVER=${NOVA_VIF_DRIVER:-"nova.virt.libvirt.vif.LibvirtGenericVIFDriver"}
+
+
 # List of config file names in addition to the main plugin config file
 # See _configure_neutron_common() for details about setting it up
 declare -a Q_PLUGIN_EXTRA_CONF_FILES