diff --git a/BaseTools/Source/Python/Workspace/MetaFileParser.py b/BaseTools/Source/Python/Workspace/MetaFileParser.py
index 806fc322c5..0a131fc769 100644
--- a/BaseTools/Source/Python/Workspace/MetaFileParser.py
+++ b/BaseTools/Source/Python/Workspace/MetaFileParser.py
@@ -328,6 +328,7 @@ class MetaFileParser(object):
                 S1 = ItemList[1].upper()
             else:
                 S1 = TAB_ARCH_COMMON
+            S1 = ReplaceMacro(S1, self._Macros)
             ArchList.add(S1)
 
             # S2 may be Platform or ModuleType