diff --git a/Dockerfile.synchronizer b/Dockerfile.synchronizer
index 4d2f203..f31b2d9 100644
--- a/Dockerfile.synchronizer
+++ b/Dockerfile.synchronizer
@@ -12,8 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# docker build -t xosproject/vrouter-synchronizer:candidate -f Dockerfile.synchronizer .
+
 # xosproject/vrouter-synchronizer
-FROM xosproject/xos-synchronizer-base:2.0.0
+FROM xosproject/xos-synchronizer-base:master
 
 COPY xos/synchronizer /opt/xos/synchronizers/vrouter
 COPY VERSION /opt/xos/synchronizers/vrouter/
diff --git a/xos/synchronizer/steps/sync_routes.py b/xos/synchronizer/steps/sync_routes.py
index 96bbac4..0293a14 100644
--- a/xos/synchronizer/steps/sync_routes.py
+++ b/xos/synchronizer/steps/sync_routes.py
@@ -31,8 +31,8 @@
     # Get fabric service info
     def get_onos_fabric_service(self, model):
         vrouter_service = model.vrouter.owner
-        fabric_service = vrouter_service.subscriber_services[0]
-        onos_fabric_service = fabric_service.subscriber_services[0]
+        fabric_service = vrouter_service.provider_services[0]
+        onos_fabric_service = fabric_service.provider_services[0]
 
         return onos_fabric_service
 
diff --git a/xos/synchronizer/steps/test_sync_routes.py b/xos/synchronizer/steps/test_sync_routes.py
index baa1ba9..1e227a2 100644
--- a/xos/synchronizer/steps/test_sync_routes.py
+++ b/xos/synchronizer/steps/test_sync_routes.py
@@ -93,11 +93,11 @@
 
         self.fabric = Mock()
         self.fabric.name = "fabric"
-        self.fabric.subscriber_services = [onos_fabric_base]
+        self.fabric.provider_services = [onos_fabric_base]
 
         self.vrouter = Mock()
         self.vrouter.name = "vrouter"
-        self.vrouter.subscriber_services = [self.fabric]
+        self.vrouter.provider_services = [self.fabric]
 
         # create a mock VRouterStaticRoute instance
         self.o = Mock()