Control of an internal combustion engine with brake booster

The method involves monitoring the pressure state that is characteristic for the operation functionality of a power brake (1). The internal combustion engine (9) is so controlled by a motor controller (10) that the pressure in the power brake is decreased when the power brake falls short of predetermined operation functionality when the exhaust gas treatment unit is heated up quickly. Independent claims are also provided for a motor regulation for the internal combustion engine and for a power brake.