 The source of the unrest was Jan Muskata, the bishop of Krakow and a former follower of Wenceslaus II.Muskata began to sow discord against Władysław soon after he gained the throne of Krakow by trying to establish contacts with his enemies Bolko I of Opole and Henry III of Głogów.To help the Prince of Krakow came the venerable archbishop of Gniezno, Jakub Swinka.