The midfielder netted in Inter's 2-1 victory at San Siro after goals from Diego Milito and Salomon Kalou.
"We are happy, as we had to win. Many times teams think of not conceding, but that's counter-productive," he told RAI.
"We went out there looking to win, we achieved it and now we must continue the fight for qualification.
"It was a fair battle, as we knew it would be, and will be again at Stamford Bridge."