diff --git a/mainpage.dox b/mainpage.dox
index 7edff4bcc7..b28bed6493 100644
--- a/mainpage.dox
+++ b/mainpage.dox
@@ -885,7 +885,7 @@ echotest.createOffer({
      // janus.js does not use 'import' to access to the functionality of webrtc-adapter,
      // instead it expects a global object called 'adapter' for that.
      // Let's make that object available.
-     new webpack.ProvidePlugin({ adapter: 'webrtc-adapter' })
+     new webpack.ProvidePlugin({ adapter: ['webrtc-adapter', 'default'] })
    ]
  }
  \endverbatim