diff --git a/devicemodel/hw/pci/passthrough.c b/devicemodel/hw/pci/passthrough.c
index be26b84d2..efef7314f 100644
--- a/devicemodel/hw/pci/passthrough.c
+++ b/devicemodel/hw/pci/passthrough.c
@@ -815,6 +815,7 @@ passthru_init(struct vmctx *ctx, struct pci_vdev *dev, char *opts)
 			break;
 		}
 	}
+	pci_iterator_destroy(iter);
 
 	if (error < 0) {
 		warnx("No physical PCI device %x:%x.%x!", bus, slot, func);