According to Autosport.com, 69-year-old Niki Lauda is getting better after a lung transplant on Thursday.
One of the doctors who operated on three-time Formula 1 world champion said "he is making good progress" while recovering in a Vienna hospital.
Dr Walter Klepetko, head of thoracic surgery at the hospital explained, "everything is currently going very well and we are very satisfied."
The former race car driver and Austrian entrepreneur reportedly got sick while on vacation in Ibiza.