After the Coup of 18 fructidor (4 September 1797) he escaped arrest by fleeing once more to Switzerland, and remained abroad for a decade, faithful to the comte de Provence, now proclaimed "Louis XVIII" by the royalists. After Napoleon's victory at Wagram (July 1809), D'André permitted his son Antoine Joseph Maurice d'André to serve in the Imperial army, while he occupied himself with establishing a model farm near Vienna.