The invention relates to a solution for controlling of a mobile terminal to request an establishment of a packet data network connection to a public land mobile network. A method according to the solution comprises: receiving (310), in a network element, a packet data network connection re-quest from the mobile terminal (150); generating (320), by the network element, a response message rejecting the packet data network connection request, wherein the response message comprises information element indicating if the rejection is applicable in at least one other public land mobile network than the one into which the mobile terminal (150) is registered to; and transmitting (330) the generated message to the mobile terminal (150). The invention also relates to a network element and a system implementing at least part of the method.