In February 2013 she broke the voting discipline of the Socialist Group together with other members of the PSC by voting in the Congress of Deputies in favor of the two initiatives presented by CiU and La Izquierda Plural (IU-ICV / EUiA-CHA) to allow the carrying out a referendum in Catalonia on its future relationship with the rest of Spain. The socialist group fined undisciplined deputies with 600 euros.