The 36-year-old has made nine appearances for the Rossoneri in Serie A, but only two of those have been from the start.
Speaking to Italian chat show Chiambretti Night, Inzaghi said: "I am very calm. I remember what Galliani said to me some time ago and I know that we'll speak about my future between January and February.
"I will stay with Milan if the directors would like me to. I dream of finishing my career in Rossonero. Otherwise I will go and play elsewhere, because in the last few years I have never felt as good as I do now.
"It won't be up to anyone else to make me retire. I will decide when the moment is right. Until then, I want to be useful to a team."