diff --git a/test/integration/client/network-partition-tests.js b/test/integration/client/network-partition-tests.js
index 70dcc92b..e7198a47 100644
--- a/test/integration/client/network-partition-tests.js
+++ b/test/integration/client/network-partition-tests.js
@@ -22,7 +22,7 @@ Server.prototype.start = function (cb) {
       this.socket.on('data', function (data) {
         // deny request for SSL
         if (data.length == 8) {
-          this.socket.write(new Buffer('N', 'utf8'))
+          this.socket.write(Buffer.from('N', 'utf8'))
         // consider all authentication requests as good
         } else if (!data[0]) {
           this.socket.write(buffers.authenticationOk())