diff --git a/Modules/Setup.dist b/Modules/Setup.dist
index 8f3b8f85eaa..f162747b197 100644
--- a/Modules/Setup.dist
+++ b/Modules/Setup.dist
@@ -164,6 +164,7 @@ _symtable symtablemodule.c
 #_collections _collectionsmodule.c # Container types
 #itertools itertoolsmodule.c	# Functions creating iterators for efficient looping 
 #atexit atexitmodule.c      # Register functions to be run at interpreter-shutdown
+#_functools functoolsmodule.c	# Tools for working with functions and callable objects
 
 #unicodedata unicodedata.c    # static Unicode character database