#3897: _collections now has an underscore.
diff --git a/Modules/Setup.dist b/Modules/Setup.dist
index b7df319..c67dad4 100644
--- a/Modules/Setup.dist
+++ b/Modules/Setup.dist
@@ -176,7 +176,7 @@
#_weakref _weakref.c # basic weak reference support
#_testcapi _testcapimodule.c # Python C API test module
#_random _randommodule.c # Random number generator
-#collections collectionsmodule.c # Container types
+#_collections _collectionsmodule.c # Container types
#itertools itertoolsmodule.c # Functions creating iterators for efficient looping
#strop stropmodule.c # String manipulations