diff --git a/mascara/src/lib/setup-iframe.js b/mascara/src/lib/setup-iframe.js
index db67163df..dcf404574 100644
--- a/mascara/src/lib/setup-iframe.js
+++ b/mascara/src/lib/setup-iframe.js
@@ -1,5 +1,5 @@
 const Iframe = require('iframe')
-const IframeStream = require('iframe-stream').IframeStream
+const createIframeStream = require('iframe-stream').IframeStream
 
 module.exports = setupIframe
 
@@ -13,7 +13,7 @@ function setupIframe(opts) {
   })
   var iframe = frame.iframe
   iframe.style.setProperty('display', 'none')
-  var iframeStream = new IframeStream(iframe)
+  var iframeStream = createIframeStream(iframe)
 
   return iframeStream
 }
diff --git a/mascara/src/proxy.js b/mascara/src/proxy.js
index eabc547b4..5b95175f1 100644
--- a/mascara/src/proxy.js
+++ b/mascara/src/proxy.js
@@ -1,4 +1,4 @@
-const ParentStream = require('iframe-stream').ParentStream
+const createParentStream = require('iframe-stream').ParentStream
 const SWcontroller = require('client-sw-ready-event/lib/sw-client.js')
 const SwStream = require('sw-stream/lib/sw-stream.js')
 const SetupUntrustedComunication = ('./lib/setup-untrusted-connection.js')
@@ -11,7 +11,7 @@ const background = new SWcontroller({
   intervalDelay,
 })
 
-const pageStream = new ParentStream()
+const pageStream = createParentStream()
 background.on('ready', (_) => {
   let swStream = SwStream({
     serviceWorker: background.controller,