diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec
index 888ac8c3db..5b9e22224e 100644
--- a/MdeModulePkg/MdeModulePkg.dec
+++ b/MdeModulePkg/MdeModulePkg.dec
@@ -68,7 +68,7 @@
 
 [Protocols.common]
 
-  gEfiCapsuleArchProtocolGuid    = { 0x5053697E, 0x2EBC, 0x4819, { 0x90, 0xD9, 0x05, 0x80, 0xDE, 0xEE, 0x57, 0x54 }}
+  gEfiCapsuleArchProtocolGuid    = { 0x5053697E, 0x2CBC, 0x4819, { 0x90, 0xD9, 0x05, 0x80, 0xDE, 0xEE, 0x57, 0x54 }}
   gEfiLoadPeImageProtocolGuid    = { 0x5CB5C776, 0x60D5, 0x45EE, { 0x88, 0x3C, 0x45, 0x27, 0x08, 0xCD, 0x74, 0x3F }}
   gEfiPrintProtocolGuid          = { 0x5bcc3dbc, 0x8c57, 0x450a, { 0xbb, 0x0c, 0xa1, 0xc0, 0xbd, 0xde, 0x48, 0x0c }}
   gEfiGenericMemTestProtocolGuid = { 0x309DE7F1, 0x7F5E, 0x4ACE, { 0xB4, 0x9C, 0x53, 0x1B, 0xE5, 0xAA, 0x95, 0xEF }}