diff --git a/src/Libplanet.Net/Transports/NetMQChannel.cs b/src/Libplanet.Net/Transports/NetMQChannel.cs
index 42fd5fbc38..b92b9b7657 100644
--- a/src/Libplanet.Net/Transports/NetMQChannel.cs
+++ b/src/Libplanet.Net/Transports/NetMQChannel.cs
@@ -114,6 +114,7 @@ private async Task ProcessRuntime()
             var ct = _cancellationTokenSource.Token;
             using var dealer = new DealerSocket();
             dealer.Options.DisableTimeWait = true;
+            dealer.Options.Identity = Guid.NewGuid().ToByteArray();
             var address = await _peer.ResolveNetMQAddressAsync();
             try
             {