diff --git a/cmd/cart/pool-server.go b/cmd/cart/pool-server.go
index 10f4f25..e6e0720 100644
--- a/cmd/cart/pool-server.go
+++ b/cmd/cart/pool-server.go
@@ -496,6 +496,7 @@ func (s *PoolServer) CheckoutHandler(fn func(order *CheckoutOrder, w http.Respon
 			if err != nil {
 				return err
 			}
+			s.ApplyCheckoutStarted(order, cartId)
 			return fn(order, w)
 		}
 		order, err := s.klarnaClient.GetOrder(orderId)