The Belgian has been an influential figure for Vieira since he took charge at Selhurst Park and already has four goals to his name this season.
Benteke, 30, managed to notch 10 Premier League goals last season having managed just six across all of the previous three campaigns.
With the striker, who signed a new two-year deal at the end of last season, looking confident in front of goal once more, Vieira wants to see him race to the 10-goal mark and increase his contributions around the penalty box further still.
“I think I will be happy if he gets into double figures, I think he can do that easily,” said Vieira.
“I think it is a goal target and the assists that he can make. It is about the decision making, I think he can be better on his decision making and that will allow the team to play better and make more chances.”