diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec
index c904bc5bb4..9c521ae8c6 100644
--- a/MdeModulePkg/MdeModulePkg.dec
+++ b/MdeModulePkg/MdeModulePkg.dec
@@ -164,22 +164,22 @@
 [PcdsFixedAtBuild.IA32]
   ## Default EFI boot path name for IA32 architecture, this path is relative to 
   #  EFI boot disk.
-  gEfiMdeModulePkgTokenSpaceGuid.PcdDefaultBootFileName|L"\\EFI\\BOOT\\BOOTIA32.EFI"|VOID*|0x40000003
+  gEfiMdeModulePkgTokenSpaceGuid.PcdDefaultBootFileName|L"\EFI\BOOT\BOOTIA32.EFI"|VOID*|0x40000003
 
 [PcdsFixedAtBuild.X64]
   ## Default EFI boot path name for X64 architecture, this path is relative to 
   #  EFI boot disk.
-  gEfiMdeModulePkgTokenSpaceGuid.PcdDefaultBootFileName|L"\\EFI\\BOOT\\BOOTX64.EFI"|VOID*|0x40000003
+  gEfiMdeModulePkgTokenSpaceGuid.PcdDefaultBootFileName|L"\EFI\BOOT\BOOTX64.EFI"|VOID*|0x40000003
 
 [PcdsFixedAtBuild.IPF]
   ## Default EFI boot path name for IPF architecture, this path is relative to 
   #  EFI boot disk.
-  gEfiMdeModulePkgTokenSpaceGuid.PcdDefaultBootFileName|L"\\EFI\\BOOT\\BOOTIA64.EFI"|VOID*|0x40000003
+  gEfiMdeModulePkgTokenSpaceGuid.PcdDefaultBootFileName|L"\EFI\BOOT\BOOTIA64.EFI"|VOID*|0x40000003
 
 [PcdsFixedAtBuild.EBC]
   ## Default EFI boot path name for EBC architecture, this path is relative to 
   #  EFI boot disk.
-  gEfiMdeModulePkgTokenSpaceGuid.PcdDefaultBootFileName|L"\\EFI\\BOOT\\BOOTEBC.EFI"|VOID*|0x40000003
+  gEfiMdeModulePkgTokenSpaceGuid.PcdDefaultBootFileName|L"\EFI\BOOT\BOOTEBC.EFI"|VOID*|0x40000003
   
 [PcdsDynamic.common]
   gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableBase|0x0|UINT32|0x30000001