diff --git a/MdePkg/Include/Protocol/ReportStatusCodeHandler.h b/MdePkg/Include/Protocol/ReportStatusCodeHandler.h
index d7a2c5a75a..6afc848ce2 100644
--- a/MdePkg/Include/Protocol/ReportStatusCodeHandler.h
+++ b/MdePkg/Include/Protocol/ReportStatusCodeHandler.h
@@ -18,8 +18,7 @@
 
 #define EFI_RSC_HANDLER_PROTOCOL_GUID \
   { \
-    0x86212936, 0xe76, 0x41c8, \
-    0xa0, 0x3a, 0x2a, 0xf2, 0xfc, 0x1c, 0x39, 0xe2 \
+    0x86212936, 0xe76, 0x41c8, {0xa0, 0x3a, 0x2a, 0xf2, 0xfc, 0x1c, 0x39, 0xe2} \
   }
 
 typedef
diff --git a/MdePkg/Include/Protocol/SmmReportStatusCodeHandler.h b/MdePkg/Include/Protocol/SmmReportStatusCodeHandler.h
index 1f6144100f..7730ecc1f4 100644
--- a/MdePkg/Include/Protocol/SmmReportStatusCodeHandler.h
+++ b/MdePkg/Include/Protocol/SmmReportStatusCodeHandler.h
@@ -17,8 +17,7 @@
 
 #define EFI_SMM_RSC_HANDLER_PROTOCOL_GUID \
   { \
-    0x2ff29fa7, 0x5e80, 0x4ed9, 0xb3, 0x80, 0x1, 0x7d, 0x3c, 0x55,
-    0x4f, 0xf4
+    0x2ff29fa7, 0x5e80, 0x4ed9, {0xb3, 0x80, 0x1, 0x7d, 0x3c, 0x55, 0x4f, 0xf4} \
   }
 
 typedef