 After the defeat of Zápolya in the Battle of Tokaj in 1527, Bakić sided with Ferdinand, and would stay faithful to him for the rest of his life.In 1528, Ferdinand confirmed Bakić and his brothers' holdings and appointed him the captain of the Serbian infantry, cavalry and river forces.In the Siege of Vienna in 1529, Serbian hussars under the command of Pavle Bakić were the first to engage the Turks when they attacked the capital.