On 9 May 2017 it was confirmed by AaB, that they had sold Mæhle to Belgian club Genk for an unknown price, starting from 1 July 2017.
Den 9. maj 2017 bekræftede AaB, at klubben havde solgt Mæhle til den belgiske klub Genk for en ukendt transfersum, gældende fra 1. juli 2017.