diff --git a/peers/server.js b/peers/server.js
index 0eb99a9de..c4416b58a 100644
--- a/peers/server.js
+++ b/peers/server.js
@@ -1,5 +1,6 @@
 const dumps = require('./utils/HeapSnapshot');
 const {request_logger} = require('./utils/helper');
+const assert = require('assert').strict;
 const {peerRouter, peerConnection, peerDisconnect, peerError} = require('./servers/peerjs-server');
 const express = require('express');
 const {ExpressPeerServer} = require('peer');