Belgium were also lifted by the return of captain Marc Wilmots and fellow midfielder Johan Walem, who shrugged off minor knocks to resume training on Monday.
Waseige has added youthful talent to an experienced core of players who were regulars under Leekens, such as Schalke 04's Marc Wilmots, Gert Verheyen, of Club Bruges, and Bart Goor of Hertha Berlin.