In the hitherto existing draft ISO/CD TR 6336-7, the information for the definition of the permissible specific lubricant film thickness λ_GFP was missing. Therefore, reference values considering λ_GFP had to be derived from literature. But the information in this context was often contradictory. The newest draft of the ISO/CD TR 15144, replacing the planned part of the ISO 6336, allows now the determination of the permissible specific lubricant film thickness λ_GFP, if the load level for micropitting of the oil is known. With the implementation of this standard addition in KISSsoft, the safety against micropitting is calculated.