The South African has been sidelined with a knee injury since the Toffees' FA Cup loss to Arsenal on March 8 but is eyeing a comeback before the end of the campaign which would delight Martinez.
"Stevie is doing well," Martinez told the club's official website. "Obviously it was a real setback to lose him.
"Recovering from (an injury to) the cartilage in the knee can be tricky but at the moment he is recovering well.
"I'm hopeful that we can see Stevie before the season ends and that is where the focus goes.
"But he's been lively and has been working well. It is going to be really positive for us if we can get him back before the season ends."
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