1 files changed, 2 insertions, 2 deletions
diff --git a/BaseTools/Source/Python/GenFds/FfsFileStatement.py b/BaseTools/Source/Python/GenFds/FfsFileStatement.py
index ba8e0465ef..f5de57d0ac 100644
--- a/BaseTools/Source/Python/GenFds/FfsFileStatement.py
+++ b/BaseTools/Source/Python/GenFds/FfsFileStatement.py
@@ -18,7 +18,7 @@
 import Ffs
 import Rule
 import Common.LongFilePathOs as os
-import StringIO
+from io import BytesIO
 import subprocess
 
 from GenFdsGlobalVariable import GenFdsGlobalVariable
@@ -82,7 +82,7 @@ class FileStatement (FileStatementClassObject) :
         Dict.update(self.DefineVarDict)
         SectionAlignments = None
         if self.FvName is not None :
-            Buffer = StringIO.StringIO('')
+            Buffer = BytesIO('')
             if self.FvName.upper() not in GenFdsGlobalVariable.FdfParser.Profile.FvDict:
                 EdkLogger.error("GenFds", GENFDS_ERROR, "FV (%s) is NOT described in FDF file!" % (self.FvName))
             Fv = GenFdsGlobalVariable.FdfParser.Profile.FvDict.get(self.FvName.upper())