diff --git a/xos/synchronizer/steps/sync_fabric_crossconnect_service_instance.py b/xos/synchronizer/steps/sync_fabric_crossconnect_service_instance.py
index 46a4694..4a8a4cf 100644
--- a/xos/synchronizer/steps/sync_fabric_crossconnect_service_instance.py
+++ b/xos/synchronizer/steps/sync_fabric_crossconnect_service_instance.py
@@ -84,7 +84,7 @@
 
         data = { "deviceId": dpid,
                  "vlanId": s_tag,
-                 "ports": [ west_port, east_port ] }
+                 "ports": [ int(west_port), int(east_port) ] } 
 
         url = onos['url'] + '/onos/segmentrouting/xconnect'