diff --git a/examples/rendezvous_server/rendezvous_server.nim b/examples/rendezvous_server/rendezvous_server.nim
index dc2d684..b363895 100644
--- a/examples/rendezvous_server/rendezvous_server.nim
+++ b/examples/rendezvous_server/rendezvous_server.nim
@@ -64,7 +64,7 @@ proc sendEndpoint(client: AsyncSocket, requestId: string) {.async.} =
   let (address, port) = client.getPeerAddr()
   var ipAddr = parseIpAddress(address)
   if ipAddr.isPrivateIp() and
-     ipAddr.isInNetwork(fromIpAddress(getPrimaryIPAddr(ipAddr))):
+     ipAddr.isInNetwork(getNetworkInterface(getPrimaryIPAddr(ipAddr))):
     ipAddr = await probePublicIp()
   await client.send(&"ok|{requestId}|{ipAddr}|{port.int}\n")
   client.close