A method in a wireless communication device for communication with a radio network node comprises receiving (210) of a first downlink control information on a first assignment. The first downlink control information comprises a reference to a second assignment, on which a second downlink control information is assigned to be received. It is determined (220) if the second downlink control information is obtainable. An indication indicating whether or not the second downlink control information was obtainable is transmitted (230) to the radio network node. A method in the radio network node for communication with the wireless communication device comprises transmitting of the first and second downlink control information. It is determined whether or not the second downlink control information was obtainable by the wireless communication device and based in this, a third downlink control information is transmitted on a third assignment. Corresponding devices and computer programs are also described.