diff --git a/DuetPkg/BiosVideoThunkDxe/BiosVideo.h b/DuetPkg/BiosVideoThunkDxe/BiosVideo.h
index 406bb53143..312bea50be 100644
--- a/DuetPkg/BiosVideoThunkDxe/BiosVideo.h
+++ b/DuetPkg/BiosVideoThunkDxe/BiosVideo.h
@@ -37,7 +37,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 #include <Library/BaseMemoryLib.h>
 #include <Library/DevicePathLib.h>
 
-#include <IndustryStandard/Pci22.h>
+#include <IndustryStandard/Pci.h>
 
 #include "VesaBiosExtensions.h"
 
diff --git a/DuetPkg/Library/DuetBdsLib/BdsPlatform.c b/DuetPkg/Library/DuetBdsLib/BdsPlatform.c
index e9a8be3bd7..3cbd082d26 100644
--- a/DuetPkg/Library/DuetBdsLib/BdsPlatform.c
+++ b/DuetPkg/Library/DuetBdsLib/BdsPlatform.c
@@ -336,13 +336,13 @@ Returns:
         if (!EFI_ERROR (Status)) {
           if ((PCI_CLASS_SERIAL == Class[2]) &&
               (PCI_CLASS_SERIAL_USB == Class[1])) {
-            if (PCI_CLASSC_PI_UHCI == Class[0]) {
+            if (PCI_IF_UHCI == Class[0]) {
               //
               // Found the UHCI, then disable the legacy support
               //
               Command = 0;
               Status = PciIo->Pci.Write (PciIo, EfiPciIoWidthUint16, 0xC0, 1, &Command);
-            } else if (PCI_CLASSC_PI_EHCI == Class[0]) {
+            } else if (PCI_IF_EHCI == Class[0]) {
               //
               // Found the EHCI, then disable the legacy support
               //