diff --git a/dist/index.js b/dist/index.js
index cb45f45..f8c0343 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -55,7 +55,9 @@ class HandshakeProxy extends libhyperproxy_1.Proxy {
             createServer: libhyperproxy_1.createServer,
             createSocket: libhyperproxy_1.createSocket,
         });
-        this._node.http.http.listen = (port, host, cb) => cb();
+        if (this?._node?.http?.http?.listen) {
+            this._node.http.http.listen = (port, host, cb) => cb();
+        }
         await this._node.open();
         this._node.pool.connected = true;
         this._node.startSync();