The Nerazzurri will host Roma in the second leg of their semi-final tie at the San Siro on Wednesday.
"It will be 11 against 11," he told Inter Channel. "It all starts in our heads, we need to find the right focus to play a good match which will allow us to go through. But we've already got our minds on that game.
"Our squad has been decimated by injuries and suspensions? That happens in football, we'll go out there to show who's the better side.
"Is it a special match for me? Of course it means a lot because I played for Lazio, but I've played in plenty of derbies against Roma. I'll be motivated to play well for Inter, we want to get through."
Inter lost the first leg 2-1 to Roma at the Stadio Olimpico in Rome in January.