Why is it that on a Mac آپ can only لوڈ اپ 5 تصاویر at a time onto a club?

Is there a way around this یا am I just stuck with it? I remember how on a PC آپ can لوڈ اپ up to 20 یا مزید (if آپ have a medal on that spot) which was really nice, uploading 5 at a time is a pain in the ass, thoughts?