A wireless device may receive one or more messages comprise parameters of a first downlink control information (DCI) format and a second DCI format for monitoring on a first search space. The parameters may comprise the second DCI format configured for monitoring on a second search space. The wireless device may determine, based on the first DCI format, a first DCI size of the second DCI format for the first search space. The wireless device may determine, based on the second DCI format, a second DCI size of the second DCI format in the second search space. The wireless device may monitor for a first DCI on the first search space based on the first DCI size. The wireless device may monitor for a second DCI on the second search space based on the second DCI size.