Greek Paypal xpress checkout button gif does not exist

As one can see in this Pro-Form:
there is no paypal button. Instead you can see a “Submit Form” (in Greek) button and if you inspect the element it is clear that the
link gives a 404 error.
Does this happen with pro forms in Greek only? Is there any workaround?
Thanks in advance, Christos

I managed to replace the image with the English one using css.
Just in case somebody needs it:

#s2member-pro-paypal-checkout-submit {
background:url( no-repeat;
width: 290px;
height: 84px;
border: none;
text-indent: -9999px;
line-height: 0;