After starting the Royals' first two matches of the season, Virginia lost his place in the starting line-up to fellow new arrival Rafael Cabral.
"Joao Virginia has been working very, very well and he has been improving day by day. If we need him, we can count with him.
"He is our player so I don't think this can happen (end his loan).
"I think we are stronger with him than if we let him go."