 On 1 February 1802 he transferred to the Austrian Army serving in the Chevauxleger-Regiment Fürst Rosenberg in which he was promoted to Major on 29 September 1804.On 1 January 1805 he transferred to the Husaren-Regiment Graf Blankenstein Nr.6 in which he was promoted to Oberstleutnant on 6 August 1805.