diff --git a/shop/components/order-wizard.tsx b/shop/components/order-wizard.tsx
index 2bb00d4..2bbc0f0 100644
--- a/shop/components/order-wizard.tsx
+++ b/shop/components/order-wizard.tsx
@@ -796,6 +796,14 @@ export function OrderWizard({
       const result = await res.json()
       if (result.error) throw new Error(result.error)
 
+      // Warenkorb & Konfigurations-State vollständig leeren
+      setBasketItems([])
+      setEditingIdx(null)
+      setDeviceName('')
+      setLicenseNumber('')
+      setOrderNotes('')
+      setModuleQuantities({})
+
       const firstOrderId = result.orders?.[0]?.id
       if (firstOrderId) {
         router.push(`/order/success?id=${firstOrderId}`)