The teenager had previously represented the country of his birth at U16 and U17 level
Hannibal Mejbri has decided to pledge international allegiance to Tunisia having previously represented France at youth level.
The teenager, who was given his first team debut by Manchester United when he came off the bench against Wolves in the final Premier League game of the season, has opted to represent the homeland of his parents.
Mejbri was born in France and has turned out for them at U16 and U17 level, but he now expects his first full international call-up within the week.