diff --git a/srfi/1.sld b/srfi/1.sld
index affa2994..bc80890e 100644
--- a/srfi/1.sld
+++ b/srfi/1.sld
@@ -10,7 +10,8 @@
   (import (scheme base)
           (scheme cxr))
   (export
-    xcons #;tree-copy make-list list-tabulate cons* list-copy 
+    xcons ;tree-copy 
+    make-list list-tabulate cons* list-copy 
     proper-list? circular-list? dotted-list? not-pair? null-list? list=
     circular-list length+
     iota