diff --git a/demo/app.js b/demo/app.js
index 3439ea9..8637dad 100644
--- a/demo/app.js
+++ b/demo/app.js
@@ -69,7 +69,7 @@ app.ws('/terminals/:pid', function (ws, req) {
     term.write(msg);
   });
   ws.on('close', function () {
-    process.kill(term.pid);
+    term.kill();
     console.log('Closed terminal ' + term.pid);
     // Clean things up
     delete terminals[term.pid];