diff --git a/MdePkg/MdePkg.spd b/MdePkg/MdePkg.spd
index 4b29832..d9b3018 100644
--- a/MdePkg/MdePkg.spd
+++ b/MdePkg/MdePkg.spd
@@ -994,11 +994,11 @@
       <Guid>0x78E4D245, 0xCD4D, 0x4a05, 0xA2, 0xBA, 0x47, 0x43, 0xE8, 0x6C, 0xFC, 0xAB</Guid>
     </Entry>
     <Entry Name="AcpiSupport">
-      <C_Name>gEfiAcpiSupportGuid</C_Name>
+      <C_Name>gEfiAcpiSupportProtocolGuid</C_Name>
       <Guid>0xdbff9d55, 0x89b7, 0x46da, 0xbd, 0xdf, 0x67, 0x7d, 0x3d, 0xc0, 0x24, 0x1d</Guid>
     </Entry>
     <Entry Name="BootScriptSave">
-      <C_Name>gEfiBootScriptSaveGuid</C_Name>
+      <C_Name>gEfiBootScriptSaveProtocolGuid</C_Name>
       <Guid>0x470e1529, 0xb79e, 0x4e32, 0xa0, 0xfe, 0x6a, 0x15, 0x6d, 0x29, 0xf9, 0xb2</Guid>
     </Entry>
     <Entry Name="Smbus">