diff --git a/lobby-addon/lobby_transfer_BP/scripts/main.js b/lobby-addon/lobby_transfer_BP/scripts/main.js
index c1aa86b..fd3ce8c 100644
--- a/lobby-addon/lobby_transfer_BP/scripts/main.js
+++ b/lobby-addon/lobby_transfer_BP/scripts/main.js
@@ -97,7 +97,7 @@ system.runInterval(() => {
     // transferPlayer from @minecraft/server-admin beta API — requires gametest experiment + permissions.json allows server-admin.
     system.runTimeout(() => {
       try {
-        transferPlayer(player, portal.host, portal.port);
+        transferPlayer(player, { hostname: portal.host, port: portal.port });
       } catch (e) {
         player.sendMessage(`§cTransfer failed: ${e.message}`);
       }