diff --git a/examples/psync/full_sync.py b/examples/psync/full_sync.py
index 1a54a73..d256a3b 100644
--- a/examples/psync/full_sync.py
+++ b/examples/psync/full_sync.py
@@ -35,8 +35,8 @@
     for node in ndn.net.hosts:
         for neighbor in node.connectionsTo(host):
             ip = node.IP(neighbor[0])
-            Nfdc.createFace(host, ip)
-            Nfdc.registerRoute(host, syncPrefix, ip)
+            faceID = Nfdc.createFace(host, ip)
+            Nfdc.registerRoute(host, syncPrefix, faceID)
 
 if __name__ == '__main__':
     setLogLevel('info')