An ironing machine (1), such as a cylinder ironer, is provided. The ironing machine (1) comprises a cylindrical body (3) having heating means (5) for heating of the cylindrical body (3) and at least one temperature sensor arrangement (7), arranged to be in contact with the cylindrical body (3) and to detect a temperature of the cylindrical body (3). The at least one temperature sensor arrangement (7) and the cylindrical body (3) are at least partly made of electrically conductive material. The ironing machine (1) comprises an electrical control system (9) configured to detect a degree of contact between the cylindrical body (3) and the at least one temperature sensor arrangement (7) by means of electricity, and generate a control signal indicative of the detected degree of contact.