The present invention relates to an exhaust-gas turbocharger for use in an internal combustion engine and to a method for assembling and/or setting an exhaust-gas turbocharger. According to the invention, the exhaust-gas turbocharger comprises a regulating mechanism and an actuator device for actuating the regulating mechanism, wherein the actuator device comprises a control rod with a first part and a second part. The second part of the control rod has a guide, which is designed in such a way that it at least partially surrounds the first part. Moreover, the second part has at least one hole, wherein the first part is connected to the second part by a welded or assembly joint, which is arranged in the at least one hole.