Inter president Massimo Moratti was left fuming after being denied a spotkick on Sunday.
"Everyone moans when you are penalised and not when you are favoured," the Rossoneri vice-president said. "And that includes me.
"As far as I'm concerned, we were certainly not favoured in the derby and I heard no complaints. We had a good goal disallowed and we were not given a penalty.
"A solution? There isn't one as referees make mistakes.
"Last season we suffered the worst refereeing mistake and we caused a bit of trouble, but not that much "