diff --git a/xos/onboard/vrouter/models.py b/xos/onboard/vrouter/models.py
index 05b57e2..d302b13 100644
--- a/xos/onboard/vrouter/models.py
+++ b/xos/onboard/vrouter/models.py
@@ -15,8 +15,12 @@
 class ConfigurationError(Exception):
     pass
 
+
 VROUTER_KIND = "vROUTER"
 
+# NOTE: don't change VROUTER_KIND unless you also change the reference to it
+#   in tosca/resources/network.py
+
 CORD_USE_VTN = getattr(Config(), "networking_use_vtn", False)
 
 class VRouterService(Service):
diff --git a/xos/tosca/resources/network.py b/xos/tosca/resources/network.py
index fc143d0..8672b76 100644
--- a/xos/tosca/resources/network.py
+++ b/xos/tosca/resources/network.py
@@ -72,8 +72,8 @@
             if existing_tenancy:
                 self.info("Tenancy relationship from %s to %s already exists" % (str(obj), str(provider_service)))
             else:
-                from services.vrouter.models import VROUTER_KIND, VRouterService
-                if provider_service.kind == VROUTER_KIND:
+                if provider_service.kind == "vROUTER":
+                    from services.vrouter.models import VRouterService
                     tenancy = VRouterService.objects.get(id=provider_service.id).get_tenant(address_pool_name="addresses_"+obj.name, subscriber_network=obj)
                     tenancy.save()
                     obj.subnet = tenancy.cidr