There he upbraided Isa, holding him responsible for the outbreak of the rebellion, and accusing him of allowing the tax collectors to behave tyrannically against the people and of concealing the true state of affairs in the province. Isa's banners were struck and he was forced to wear white garments (as opposed to the Abbasid color of black),[7] and he lost the governorship of Egypt. Al-Ma'mun and al-Afshin then defeated the remaining rebels and Ibn Ubaydus was executed.[8]