diff --git a/DuetPkg/PciRootBridgeNoEnumerationDxe/x64/PcatIo.c b/DuetPkg/PciRootBridgeNoEnumerationDxe/X64/PcatIo.c
similarity index 100%
rename from DuetPkg/PciRootBridgeNoEnumerationDxe/x64/PcatIo.c
rename to DuetPkg/PciRootBridgeNoEnumerationDxe/X64/PcatIo.c