We dropped the idea of putting the burden of providing an additional option to the casual user. Instead the help text contains the following passage: Starting with version 0.9.3-beta-2 bs1770gain corrects a bug dating back to the very beginning. It now issues the correct values for the relative * momentary mean * momentary maximum * shortterm mean * shortterm maximum loudness. If you insist on the errornous traditional approach run with long option --traditional.