diff --git a/DuetPkg/PciBusNoEnumerationDxe/PciEnumeratorSupport.c b/DuetPkg/PciBusNoEnumerationDxe/PciEnumeratorSupport.c
index b763c6cce6..421a92c8fc 100644
--- a/DuetPkg/PciBusNoEnumerationDxe/PciEnumeratorSupport.c
+++ b/DuetPkg/PciBusNoEnumerationDxe/PciEnumeratorSupport.c
@@ -484,7 +484,7 @@ Returns:
 {
   PCI_IO_DEVICE                   *PciIoDevice;
   EFI_STATUS                      Status;
-  UINT32                          Value;
+  UINT8                           Value;
   EFI_PCI_IO_PROTOCOL             *PciIo;
   UINT8                           Temp;