diff --git a/libs/hbb_common/protos/rendezvous.proto b/libs/hbb_common/protos/rendezvous.proto
index cd920bb3a..c71084785 100644
--- a/libs/hbb_common/protos/rendezvous.proto
+++ b/libs/hbb_common/protos/rendezvous.proto
@@ -109,6 +109,7 @@ message LocalAddr {
   bytes socket_addr = 1;
   bytes local_addr = 2;
   string relay_server = 3;
+  string id = 4;
 }
 
 message RendezvousMessage {
diff --git a/src/rendezvous_mediator.rs b/src/rendezvous_mediator.rs
index 0e5c9cfa1..f804d7e89 100644
--- a/src/rendezvous_mediator.rs
+++ b/src/rendezvous_mediator.rs
@@ -302,6 +302,7 @@ impl RendezvousMediator {
             relay_server = fla.relay_server;
         }
         msg_out.set_local_addr(LocalAddr {
+            id: Config::get_id(),
             socket_addr: AddrMangle::encode(peer_addr),
             local_addr: AddrMangle::encode(local_addr),
             relay_server,