Dissatisfaction with the rule of Michael VII and Nikephoritzes led to plots againt them: Ioannes Bryennios started a rebellion and first tried to persuade his brother Nikephoros at Dyrrachion to join him, but Nikephoros was reluctant until he learnt from the emperor's envoy Eustathios Kappadokes that he was suspected of plotting. When Michael VII appointed Nikephoros Basilakes to succeed Nikephoros Bryennios as doux of Dyrrachion he decided to act. Basilakes, who had been contacted by Ioannes Bryennios about the planned rebellion, met and fought against Nikephoros Bryennios at Thessalonike. Bryennios then advanced towards Adrianople, where he was proclaimed emperor, before marching on Constantinople