 Recalled to the Army of the Rhine and Moselle, General Desaix gave him command of the 13th Dragoon Regiment, which had achieved battle honors at Valmy four years earlier; at the Battle of Dierstein, he led the 13th in a charge and defeated the Austrian "Regiment D'Alton", taking two flags and five cannons.He then turned to Offenburg, where he chased out the Austrians and pursued them beyond Gengenbach; in the second action, he took four guns from the Austrians, as well as forty boxes of ammunition, and a large number of prisoners.In the Swiss Campaign of 1799, under overall command of Massena, he led the 13th Dragoons in Brigadier General Oudinot's division in the Alpine Rhine (the Rhine between Switzerland and Liechtenstein).