diff --git a/ChangeLog b/ChangeLog
index 4edeebd463..312184c00c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Fri Aug  8 03:22:28 2003  GOTOU Yuuzou  <gotoyuzo@notwork.org>
+
+	* lib/webrick/httputils.rb (FormData#list): should not take
+	  a side effect for the receiver.
+
 Thu Aug  7 14:40:37 2003  WATANABE Hirofumi  <eban@ruby-lang.org>
 
 	* cygwin/GNUmakefile: better --disbale-shared option support.
diff --git a/lib/webrick/httputils.rb b/lib/webrick/httputils.rb
index ce4defbb28..6b8704cc7f 100644
--- a/lib/webrick/httputils.rb
+++ b/lib/webrick/httputils.rb
@@ -261,8 +261,7 @@ module WEBrick
       def list
         ret = []
         each_data{|data|
-          data.next_data = nil
-          ret << data
+          ret << data.to_s
         }
         ret
       end