diff --git a/edk/Cper.h b/edk/Cper.h
index 0fcc967..201bbfe 100644
--- a/edk/Cper.h
+++ b/edk/Cper.h
@@ -721,6 +721,7 @@
   UINT64    Cr2;
   UINT64    Cr3;
   UINT64    Cr4;
+  UINT64    Cr8;
   UINT64    Gdtr[2];
   UINT64    Idtr[2];
   UINT16    Ldtr;