diff --git a/worker_bouncer.js b/worker_bouncer.js
index e808d68..9809442 100644
--- a/worker_bouncer.js
+++ b/worker_bouncer.js
@@ -44,7 +44,7 @@ parentPort.on('message', m => {
         return parentPort.postMessage({
           type: "upstream_msg",
           id: m.id,
-          data: JSON.stringify(["CLOSED", data[1], "rate-limited: too many subscriptions."])
+          data: JSON.stringify(["CLOSED", m.sid, "rate-limited: too many subscriptions."])
         });
       const origID = m.sid;
       if (ws.fakesubalias.hasOwnProperty(origID)) {