 Castelli bowed to Saavedra's proposal to form a Junta, but with the proviso that the procurator of the Cabildo, Julián de Leiva, had a decisive vote in the appointment.By adding this proviso, Castelli sought to add the former supporters of Martín de Álzaga, such as Mariano Moreno, Domingo Matheu, and Leiva himself.However, this power allowed Leiva to perform a maneuver that Castelli had not anticipated.