diff --git a/src/ssb.rpc.c b/src/ssb.rpc.c
index 17855822..9b8ddf0f 100644
--- a/src/ssb.rpc.c
+++ b/src/ssb.rpc.c
@@ -1502,6 +1502,7 @@ static void _tf_ssb_rpc_peers_exchange(tf_ssb_connection_t* connection, uint8_t
 
 	JSContext* context = tf_ssb_connection_get_context(connection);
 	JSValue out_message = JS_NewObject(context);
+	JS_SetPropertyStr(context, out_message, "port", JS_NewInt32(context, tf_ssb_server_get_port(ssb)));
 	JS_SetPropertyStr(context, out_message, "peers", _tf_ssb_get_peers_exchange(ssb));
 	tf_ssb_connection_rpc_send_json(connection, flags, -request_number, NULL, out_message, NULL, NULL, NULL);
 	JS_FreeValue(context, out_message);