diff --git a/MdeModulePkg/Universal/DebugSupportDxe/x64/AsmFuncs.S b/MdeModulePkg/Universal/DebugSupportDxe/X64/AsmFuncs.S
similarity index 100%
rename from MdeModulePkg/Universal/DebugSupportDxe/x64/AsmFuncs.S
rename to MdeModulePkg/Universal/DebugSupportDxe/X64/AsmFuncs.S
diff --git a/MdeModulePkg/Universal/DebugSupportDxe/x64/AsmFuncs.asm b/MdeModulePkg/Universal/DebugSupportDxe/X64/AsmFuncs.asm
similarity index 100%
rename from MdeModulePkg/Universal/DebugSupportDxe/x64/AsmFuncs.asm
rename to MdeModulePkg/Universal/DebugSupportDxe/X64/AsmFuncs.asm
diff --git a/MdeModulePkg/Universal/DebugSupportDxe/x64/plDebugSupport.c b/MdeModulePkg/Universal/DebugSupportDxe/X64/plDebugSupport.c
similarity index 100%
rename from MdeModulePkg/Universal/DebugSupportDxe/x64/plDebugSupport.c
rename to MdeModulePkg/Universal/DebugSupportDxe/X64/plDebugSupport.c
diff --git a/MdeModulePkg/Universal/DebugSupportDxe/x64/plDebugSupport.h b/MdeModulePkg/Universal/DebugSupportDxe/X64/plDebugSupport.h
similarity index 100%
rename from MdeModulePkg/Universal/DebugSupportDxe/x64/plDebugSupport.h
rename to MdeModulePkg/Universal/DebugSupportDxe/X64/plDebugSupport.h