Jovetic has only scored one league goal so far this year, with Fiorentina's form suffering in recent weeks.
However, despite the Serbian international's lack of goals, Moratti insisted that he is always dangerous.
"I love him and, even if he is not going through a good time, he is very dangerous," the 67-year-old told Fiorentina fans' magazine, Brivido Sportivo.
"Fiorentina is only in a relatively poor spell at the moment because they are actually not playing badly."
Fiorentina can go within a point of Inter in the Serie A table with a win tonight.