West Ham United midfielder Kieron Dyer is set to make a senior comeback for the first time in 16 months.
Zola said: "He's focused and he's very excited to play.
"We will try to get him back because he's an important player. I've seen him training, he's trying very hard and he's got a lot of qualities.
"I know it's been a big injury for him but he has been working well in the last few weeks."