diff --git a/kuryr/common/constants.py b/kuryr/common/constants.py
index 30f531df..37fe6f5b 100644
--- a/kuryr/common/constants.py
+++ b/kuryr/common/constants.py
@@ -18,6 +18,13 @@ SCHEMA = {
     "SUCCESS": {}
 }
 
+# Routes are either given a RouteType of 0 and a value for NextHop;
+# or, a RouteType of 1 and no value for NextHop, meaning a connected route.
+ROUTE_TYPE = {
+     "NEXTHOP": 0,
+     "CONNECTED": 1
+}
+
 DEVICE_OWNER = 'kuryr:container'
 NIC_NAME_LEN = 14
 VETH_PREFIX = 'tap'
diff --git a/kuryr/controllers.py b/kuryr/controllers.py
index 578c094b..45072cea 100644
--- a/kuryr/controllers.py
+++ b/kuryr/controllers.py
@@ -851,10 +851,10 @@ def network_driver_join():
                     'Destination': host_route['destination']
                 }
                 if host_route.get('nexthop', None):
-                    static_route['RouteType'] = const.TYPES['NEXTHOP']
+                    static_route['RouteType'] = const.ROUTE_TYPE['NEXTHOP']
                     static_route['NextHop'] = host_route['nexthop']
                 else:
-                    static_route['RouteType'] = const.TYPES['CONNECTED']
+                    static_route['RouteType'] = const.ROUTE_TYPE['CONNECTED']
                 join_response['StaticRoutes'].append(static_route)
 
         return flask.jsonify(join_response)