Tolu Arokodare scored his 11th goal of the season for Genk to enhance their chances of winning the Belgian league title after a 2-1 home win over playoffs leaders Anderlecht.
The big striker opened scoring for Genk in the 14th minute.
It was a goal against the club he would have joined before Genk hijacked his transfer at the last minute.
Genk remain in third place with 34 points, just four points behind leaders Anderlecht.
On Sunday, second-placed Union St.Gilloise, who have recorded 35 points, take on Club Brugge, who are fourth with 33 points.
