How did de Zutter Slip?

Level 18
: 2,500/5,000, 500 ante
Down to 20 big blinds, Alexandre de Zutter is among the shorter stacks when approaching the money. One of the hands that saw him lost chips included a flop of ?
?
where the Frenchman had made two pair with ace-queen. Abdel Omais however took advantage of the superior stack and successfully pushed out de Zutter with a shove.