diff --git a/tools/munger/scripts/message_gen.py b/tools/munger/scripts/message_gen.py
index 053170a..ff535f7 100644
--- a/tools/munger/scripts/message_gen.py
+++ b/tools/munger/scripts/message_gen.py
@@ -80,7 +80,7 @@
 import re
 import string
 import sys
-sys.path.append("../../src/python/oftest")
+sys.path.append("../../src/python/of10")
 from cstruct import *
 from class_maps import class_to_members_map