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-rw-r--r--IntelFspPkg/Tools/GenCfgOpt.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/IntelFspPkg/Tools/GenCfgOpt.py b/IntelFspPkg/Tools/GenCfgOpt.py
index 4417bc33fe..78b330a2ac 100644
--- a/IntelFspPkg/Tools/GenCfgOpt.py
+++ b/IntelFspPkg/Tools/GenCfgOpt.py
@@ -615,7 +615,7 @@ EndList
BinFd = open(BinFile, "rb")
IdStr = BinFd.read(0x08)
ImageId = struct.unpack('Q', IdStr)
- ImageRev = struct.unpack('L', BinFd.read(0x04))
+ ImageRev = struct.unpack('I', BinFd.read(0x04))
BinFd.close()
HeaderFd.write("#define VPD_IMAGE_ID 0x%016X /* '%s' */\n" % (ImageId[0], IdStr))