On 28 April, he was victorious at the battle of the Battle of Tech, followed by a success at the Battle of Albere on 30 April. After the decisive victory at the Battle of Boulou (or Montesquieu) on 1 May. After this defeat, Luis Firmin de Carvajal, Conde de la Union withdrew. Port-Vendres was evacuated by La Union (who had under his command 400 French noblemen of the "Légion Panetier") in May. Collioure fell after a four-week siege on the 26 May. He repelled a Spanish assault on 13 August in the Battle of San-Lorenzo de la Muga. He retook the Fort de Bellegarde on 17 September 1794 (the siege had lasted since 7 May). On 22 September, an audacious attack gave him the redoubt and camp of Costouge, putting the enemy to flight and capturing most of his equipment.