The Treaty of Devol was an agreement made in 1108 between Bohemund I of Antioch and Byzantine Emperor Alexius I, in the wake of the First Crusade. Although it was not initially enforced, it was intended to make the Principality of Antioch a vassal state of the Byzantine Empire. It is a typical example of the Byzantine tendency to settle disputes through diplomacy rather than warfare, and was both a result of and a cause for the distrust between the Byzantines and their Western European neighbors.