Fernandes insists Pogba's struggles this season have been out of his control.
The World Cup winner tested positive for coronavirus at the end of August and Fernandes saw the impact the virus had on his teammate but believes he is getting back to his best.
"We ended the season really well playing together," he told NBC Sport. "But of course the beginning of the season was hard for Paul because he had covid.
"We know it's not a joke, it's hard to come back after 15 days isolated doing nothing.
"It was really difficult for Paul to find his form but I think he's much better and feeling much more confident.
"The goal against West Ham gave him much more confidence to understand.
"The team needs him and he has the quality to help us."