diff --git a/examples/rendezvous_server/rendezvous_server.nim b/examples/rendezvous_server/rendezvous_server.nim
index ed914d4..dc2d684 100644
--- a/examples/rendezvous_server/rendezvous_server.nim
+++ b/examples/rendezvous_server/rendezvous_server.nim
@@ -122,6 +122,7 @@ proc processClient(client: AsyncSocket,
       break
 
 proc serve(port: Port) {.async.} =
+  # FIXME: causes Error: unhandled exception: Too many open files [OSError] after a while
   var clients = newTable[string, Client]()
   var server = newAsyncSocket()
   server.setSockOpt(OptReuseAddr, true)