Ghana international midfielder Andre Dede Ayew has been ruled out of action for one week because of injury. The France-based enforcer's season has been blighted by the ankle injury which has led to his bit-part activity for his club Lorient. Ayew, 19, received the news of his latest setback on his birthday on Wednesday when doctors asked him to rest to recuperate. "It is not much of a birthday celebration is it?" Ayew told www.ghanasoccernet.com. "It is a bit frustrating because this injury has affected me since the African Cup of Nations in February. "I am conscious I need to be fully fit before January when my national U-20 team will play at the African Youth Championship in Rwanda. Source:Ghanasoccernet "This one week will ensure that I will recover fully to play for my country." Ayew is loan to Lorient from giants Marseille and will revert to the his mother club in May.