 Returning to Sardinia, the two made a pact with the Republic of Genoa, ally of the Arboreans.In 1168, a treaty was negotiated by the Genoese diplomat Nuvolone Alberici between Genoa and Arborea on one side and Pisa, Logudoro, and Cagliari on the other.It patched up the differences which had led to the last war and restored some lost land to Arborea.