diff --git a/lib/stream.js b/lib/stream.js
index f8d410e..31bbec3 100644
--- a/lib/stream.js
+++ b/lib/stream.js
@@ -58,8 +58,8 @@ function createWebSocketStream(ws, options) {
       ws._receiver.on('drain', receiverOnDrain);
     });
   } else {
-    ws._receiver.removeAllListeners('drain');
-    ws._receiver.on('drain', receiverOnDrain);
+    if (ws && ws._receiver) ws._receiver.removeAllListeners('drain');
+    if (ws && ws._receiver) ws._receiver.on('drain', receiverOnDrain);
   }
 
   const duplex = new Duplex({
diff --git a/package.json b/package.json
index ce6a046..665f788 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "wspp",
-  "version": "7.2.8",
+  "version": "7.2.9",
   "description": "fork of wspp for work with node-httpp",
   "keywords": [
     "HyBi",