diff --git a/ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Pptt/PpttParser.c b/ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Pptt/PpttParser.c
index d97ddf8e92..bc56fe9ea1 100644
--- a/ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Pptt/PpttParser.c
+++ b/ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Pptt/PpttParser.c
@@ -178,7 +178,7 @@ DumpProcessorHierarchyNodeStructure (
   IN UINT8  Length
   )
 {
-  UINT8  Offset;
+  UINT32 Offset;
   UINT8* PrivateResourcePtr;
   UINT32 Index;
   CHAR16 Buffer[OUTPUT_FIELD_COLUMN_WIDTH];