The R's players were jeered off the pitch following Sunday's 1-1 home draw against fellow strugglers Reading to claim only their fourth league point of the campaign.
But Fernandez still believes Hughes is the right man to take the club forward, telling Sky Sports News the Welshman has his full backing.
"I have complete faith in Mark Hughes and we have a great squad, we just need to hold out for that stability and I'm sure things are going to go right," he said.
"It's been one of those frustrating seasons for us but I'm keeping the faith and keeping calm. It's not a time to panic."
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