diff -r 13be42829771 Tools/freeze/checkextensions_win32.py
--- a/Tools/freeze/checkextensions_win32.py	Wed Oct 28 03:15:38 2015 -0400
+++ b/Tools/freeze/checkextensions_win32.py	Thu Oct 29 16:55:56 2015 +1100
@@ -118,7 +118,7 @@
 
     for exc in exclude:
         if exc in module.sourceFiles:
-            modules.sourceFiles.remove(exc)
+            module.sourceFiles.remove(exc)
 
     return module