 Piroćanac was elected Minister of Foreign Affairs in the conservative-liberal alliance cabinet led by Jovan Marinović (November 25, 1874 to January 22, 1875).After the end of his short ministerial term he returned to the Court of Cassation.Being a prominent member of the younger Western-educated Serbian conservatives, Piroćanac was the founder of the Progressive Party in 1880, gathered around the journal "Videlo" ("Daylight"), which propagated loyalty to the Crown and “law, freedom and progress”.