The overthrow of the monarchy on 10 August 1792 precipitated the defection of the Marquis de la Fayette. And this brought d'Averhoult under suspicion also. On 18 August a warrant for his arrest was issued by the Assembly. He tried to flee across the border near Sedan, together with a servant, but they were intercepted by armed peasants who demanded to see his passport. In the ensuing fight d'Averhoult managed to shoot his way out (though his servant was arrested). D'Averhoult then tried to escape on his own, but was again intercepted by armed peasants. What happened next remains disputed. At some point someone, either d'Averhoult himself, or someone else, put a pistol to the top of his head and pulled the trigger. He died a few hours later, on 26 August 1792 of this wound in Sedan, where he had been transported, in the presence of his Dutch friend Daniël Michiel Gijsbert Heldewier. He was buried in the Protestant cemetery of the "Faubourg du Fond de Givonne". He was mourned by his aunt, who soon returned to the Netherlands. But Princess Wilhelmina, the wife of the stadtholder, true to form, wrote to her husband: