diff --git a/Tools/freeze/makeconfig.py b/Tools/freeze/makeconfig.py
index 7cd9b784788..b9bfd08d3a8 100644
--- a/Tools/freeze/makeconfig.py
+++ b/Tools/freeze/makeconfig.py
@@ -3,7 +3,7 @@ import re
 
 # Write the config.c file
 
-never = ['marshal', '__main__', '__builtin__', 'sys', 'exceptions']
+never = ['marshal', '__main__', '__builtin__', 'sys', 'exceptions', '_warnings']
 
 def makeconfig(infp, outfp, modules, with_ifdef=0):
     m1 = re.compile('-- ADDMODULE MARKER 1 --')