Pay per View Customers reqired to have Paypal account?

It appears that until recently, visitors of my site were able to make payments without a Paypal account (but through Paypal) on the Payment page. Now it seems to require that the user either log in to a Paypal account or create one. Any idea how I might get this back to how it was before, where people could pay without creating an account?

I happen to have a screenshot of what it used to look like, which I have attached to this message.

Thanks.