diff --git a/src/southbridge/intel/i82801dbm/i82801dbm_usb2.c b/src/southbridge/intel/i82801dbm/i82801dbm_usb2.c
index 52958e3..03ff797 100644
--- a/src/southbridge/intel/i82801dbm/i82801dbm_usb2.c
+++ b/src/southbridge/intel/i82801dbm/i82801dbm_usb2.c
@@ -33,7 +33,7 @@
 	.enable           = i82801dbm_enable,
 };
 
-static struct pci_driver usb2_driver __pci_driver = {
+static const struct pci_driver usb2_driver __pci_driver = {
 	.ops    = &usb2_ops,
 	.vendor = PCI_VENDOR_ID_INTEL,
 	.device = PCI_DEVICE_ID_INTEL_82801ER_1D7,