diff --git a/Modules/Setup.dist b/Modules/Setup.dist
index c67dad4dbf7..97eec17e913 100644
--- a/Modules/Setup.dist
+++ b/Modules/Setup.dist
@@ -179,6 +179,7 @@ GLHACK=-Dclear=__GLclear
 #_collections _collectionsmodule.c # Container types
 #itertools itertoolsmodule.c	# Functions creating iterators for efficient looping 
 #strop stropmodule.c		# String manipulations
+#_functools functoolsmodule.c	# Tools for working with functions and callable objects
 
 #unicodedata unicodedata.c    # static Unicode character database