diff --git a/src/rpc/rpc_ws.js b/src/rpc/rpc_ws.js
index bae24bf9d6..548a03323f 100644
--- a/src/rpc/rpc_ws.js
+++ b/src/rpc/rpc_ws.js
@@ -1,7 +1,7 @@
 /* Copyright (C) 2016 NooBaa */
 'use strict';
 
-const WS = global.WebSocket || require('ws');
+const WS = require('ws');
 
 const dbg = require('../util/debug_module')(__filename);
 const http_utils = require('../util/http_utils');
diff --git a/src/rpc/rpc_ws_server.js b/src/rpc/rpc_ws_server.js
index 89baacb37a..5cd3be8c79 100644
--- a/src/rpc/rpc_ws_server.js
+++ b/src/rpc/rpc_ws_server.js
@@ -5,7 +5,7 @@ const url = require('url');
 const EventEmitter = require('events').EventEmitter;
 const RpcWsConnection = require('./rpc_ws');
 const dbg = require('../util/debug_module')(__filename);
-const WS = global.WebSocket || require('ws');
+const WS = require('ws');
 
 
 /**