No option to pay with credit card when using PayPal Standard on a mobile

Hi all,

My online store is set up on Opencart 2.2 and I have PayPal Standard set up as the main payment method.

I have just noticed that when I use a mobile in the checkout process, there is no option to pay with a credit card once I have been transferred to the PayPal website. The only option is to create an account with PayPal first.

Does anyone know a way around this as I feel I am loosing some customers at this point.

Thanks in advance for any useful pointers.