diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 08a8c17ba4b1..82e323b5aaa2 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -6717,7 +6717,7 @@ static void of_pci_bus_release_domain_nr(struct device *parent, int domain_nr)
 		return;
 
 	/* Release domain from IDA where it was allocated. */
-	if (of_get_pci_domain_nr(parent->of_node) == domain_nr)
+	if (parent && of_get_pci_domain_nr(parent->of_node) == domain_nr)
 		ida_free(&pci_domain_nr_static_ida, domain_nr);
 	else
 		ida_free(&pci_domain_nr_dynamic_ida, domain_nr);