diff --git a/setup.cfg b/setup.cfg
index 70d01d630..0da8260c3 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -107,6 +107,7 @@ neutron.ml2.type_drivers =
     flat = neutron.plugins.ml2.drivers.type_flat:FlatTypeDriver
     local = neutron.plugins.ml2.drivers.type_local:LocalTypeDriver
     vlan = neutron.plugins.ml2.drivers.type_vlan:VlanTypeDriver
+    gre = neutron.plugins.ml2.drivers.type_gre:GreTypeDriver
 neutron.ml2.mechanism_drivers =
     logger = neutron.tests.unit.ml2.drivers.mechanism_logger:LoggerMechanismDriver
     test = neutron.tests.unit.ml2.drivers.mechanism_test:TestMechanismDriver