As a result, in 1857, the Liberals returned to power and Frère-Orban became once more minister of Finance in the cabinet of Charles Rogier, whom he succeeded to become the prime minister in 1868.
Following their return to power in 1857, the Liberals re-appointed Frère-Orban as Finance Minister under Prime Minister Charles Rogier, who was subsequently replaced by Frère-Orban himself in 1868.