diff --git a/BaseTools/Source/Python/GenFds/FfsInfStatement.py b/BaseTools/Source/Python/GenFds/FfsInfStatement.py
index 6f5aac02f5..040d2ebcd4 100644
--- a/BaseTools/Source/Python/GenFds/FfsInfStatement.py
+++ b/BaseTools/Source/Python/GenFds/FfsInfStatement.py
@@ -68,6 +68,7 @@ class FfsInfStatement(FfsInfStatementClassObject):
         self.InfFileName = None
         self.OverrideGuid = None
         self.PatchedBinFile = ''
+        self.MacroDict = {}
 
     ## GetFinalTargetSuffixMap() method
     #