diff --git a/Modules/Setup b/Modules/Setup
index 983fa01..31438b0 100644
--- a/Modules/Setup
+++ b/Modules/Setup
@@ -215,7 +215,7 @@ _symtable symtablemodule.c
 # The crypt module is now disabled by default because it breaks builds
 # on many systems (where -lcrypt is needed), e.g. Linux (I believe).
 
-#_crypt _cryptmodule.c # -lcrypt	# crypt(3); needs -lcrypt on some systems
+_crypt _cryptmodule.c -lcrypt	# crypt(3); needs -lcrypt on some systems
 
 
 # Some more UNIX dependent modules -- off by default, since these
