diff --git a/edk/Cper.c b/edk/Cper.c
index d11dfdd..dfed1ae 100644
--- a/edk/Cper.c
+++ b/edk/Cper.c
@@ -35,6 +35,7 @@
 EFI_GUID gEfiDMArGenericErrorSectionGuid    = { 0x5b51fef7, 0xc79d, 0x4434, { 0x8f, 0x1b, 0xaa, 0x62, 0xde, 0x3e, 0x2c, 0x64 }};
 EFI_GUID gEfiDirectedIoDMArErrorSectionGuid = { 0x71761d37, 0x32b2, 0x45cd, { 0xa7, 0xd0, 0xb0, 0xfe, 0xdd, 0x93, 0xe8, 0xcf }};
 EFI_GUID gEfiIommuDMArErrorSectionGuid      = { 0x036f84e1, 0x7f37, 0x428c, { 0xa7, 0x9e, 0x57, 0x5f, 0xdf, 0xaa, 0x84, 0xec }};
+EFI_GUID gEfiCcixPerLogErrorSectionGuid     = { 0x91335EF6, 0xEBFB, 0x4478, {0xA6, 0xA6, 0x88, 0xB7, 0x28, 0xCF, 0x75, 0xD7 }};
 
 //IA32/x64 error segment GUIDs.
 EFI_GUID gEfiIa32x64ErrorTypeCacheCheckGuid = { 0xA55701F5, 0xE3EF, 0x43de, {0xAC, 0x72, 0x24, 0x9B, 0x57, 0x3F, 0xAD, 0x2C } };
diff --git a/edk/Cper.h b/edk/Cper.h
index 4eb470d..a2e2fb6 100644
--- a/edk/Cper.h
+++ b/edk/Cper.h
@@ -1265,7 +1265,7 @@
 extern EFI_GUID   gEfiDMArGenericErrorSectionGuid;
 extern EFI_GUID   gEfiDirectedIoDMArErrorSectionGuid;
 extern EFI_GUID   gEfiIommuDMArErrorSectionGuid;
-
+extern EFI_GUID   gEfiCcixPerLogErrorSectionGuid;
 #pragma pack()
 
 #if defined (MDE_CPU_IA32) || defined (MDE_CPU_X64)