In an industrial automation system including a first and a second wireless communication device communicating with each other via a cellular network, the first wireless communication device obtains, while the first wireless communication device is attached to a first base station of the cellular network, knowledge about to which base station the second wireless communication device is attached and if the second wireless communication device is attached to a second allowable base station, the first wireless communication device detaches from the first base station and attaches to the second base station.