My Site Has Http:// And Http:// - How To Fix?

Doing SEO Scores etc, and several of them stated that I could be listed as duplicate content, because I have both and - How is something like this fixed? I want them to be www. Thanks!

If you have canonical url on the homepage which is always, this will not be a problem. Also if your site redirects to, this is also not a problem for you.

Okie thanks. Yeah if I don't put www in front, it automatically does it (on the homepage anyways). A couple of the SEO score checking sites said I had both