diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 6373985ad3f7..0482235eee92 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -1652,7 +1652,7 @@ void pci_assign_unassigned_bridge_resources(struct pci_dev *bridge)
 	struct pci_dev_resource *fail_res;
 	int retval;
 	unsigned long type_mask = IORESOURCE_IO | IORESOURCE_MEM |
-				  IORESOURCE_PREFETCH;
+				  IORESOURCE_PREFETCH | IORESOURCE_MEM_64;
 
 again:
 	__pci_bus_size_bridges(parent, &add_list);