diff --git a/ChangeLog b/ChangeLog
index 6e14f2d0ba..0de0c95ba3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sun Dec  9 22:15:59 2001  Nobuyoshi Nakada  <nobu.nakada@nifty.ne.jp>
+
+	* enum.c (enum_sort_by): should replace with last elements.
+
 Sun Dec  9 18:06:26 2001  Minero Aoki  <aamine@loveruby.net>
 
 	* lib/net/protocol.rb: calls on_connect before conn_command
diff --git a/enum.c b/enum.c
index fb72849346..352771fcaa 100644
--- a/enum.c
+++ b/enum.c
@@ -250,7 +250,7 @@ enum_sort_by(obj)
     rb_ary_sort_inplace(ary);
     for (i=0; i<RARRAY(ary)->len; i++) {
 	VALUE e = RARRAY(ary)->ptr[i];
-	RARRAY(ary)->ptr[i] = RARRAY(e)->ptr[2];
+	RARRAY(ary)->ptr[i] = RARRAY(e)->ptr[RARRAY(e)->len - 1];
     }
 
     return ary;