The Germany-born 21-year-old scored in a 4-3 defeat by Serbia at the weekend - a match which followed a 3-1 loss to Portugal and before that draws against Slovakia and Georgia.

"The Lions are almost ready and we should not focus too much on last two outings," said Choupo-Moting.

"The most important thing is that we approach the World Cup in a better state of mind and with a lot of commitment."

The west Africans open the tournament against Japan next Monday, followed by a meeting with Denmark before they meet Group E favourites Holland.