 In 2010, Zárate's transfer was involved in another controversy for solidarity contribution.On 31 August 2011, Zárate completed a loan deal from Lazio to Inter Milan with a view to a permanent transfer.On 27 September 2011, he scored a 79th-minute winner, his first goal for the club, in an away match against CSKA Moscow in the group stage of the 2011–12 UEFA Champions League.