diff --git a/sys/amd64/pci/pci_bus.c b/sys/amd64/pci/pci_bus.c
index 91bee0ca215d..83990f8fdb6d 100644
--- a/sys/amd64/pci/pci_bus.c
+++ b/sys/amd64/pci/pci_bus.c
@@ -554,7 +554,7 @@ DRIVER_MODULE(hostb, pci, pci_hostb_driver, pci_hostb_devclass, 0, 0);
  * people.
  */
 static struct isa_pnp_id pcibus_pnp_ids[] = {
-	{ 0x030ad041 /* PNP030A */, "PCI Bus" },
+	{ 0x030ad041 /* PNP0A03 */, "PCI Bus" },
 	{ 0 }
 };
 
diff --git a/sys/i386/pci/pci_bus.c b/sys/i386/pci/pci_bus.c
index 91bee0ca215d..83990f8fdb6d 100644
--- a/sys/i386/pci/pci_bus.c
+++ b/sys/i386/pci/pci_bus.c
@@ -554,7 +554,7 @@ DRIVER_MODULE(hostb, pci, pci_hostb_driver, pci_hostb_devclass, 0, 0);
  * people.
  */
 static struct isa_pnp_id pcibus_pnp_ids[] = {
-	{ 0x030ad041 /* PNP030A */, "PCI Bus" },
+	{ 0x030ad041 /* PNP0A03 */, "PCI Bus" },
 	{ 0 }
 };