When Diederik Maes (Jeroen Perceval) is sitting on the toilet, he calls detective Eva Forrestier (Barbara Sarafian). While leaving a message on her voicemail, he farts in the middle of the message. However, when Eva is listening to the voicemail message, the fart is already heard in the beginning of the message.
(around 19:48) Jacky is seen wearing a regular winter jacket when he meets the men. However when they go to lunch, he is then seen wearing a dress sports jacket.