diff --git a/ChangeLog b/ChangeLog
index 78d63b7779..75213c2210 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sat Dec 28 03:09:58 2002  Wakou Aoyama  <wakou@ruby-lang.org>
+
+	* lib/cgi.rb (CGI#[]): improvement. thanks to Kazuhiro NISHIYAMA
+	  <zn@mbf.nifty.com>
+
 Sat Dec 28 00:34:03 2002  WATANABE Hirofumi  <eban@ruby-lang.org>
 
 	* {win32,bcc32}/Makefile.sub: remove `=' from --make-flags options.
diff --git a/lib/cgi.rb b/lib/cgi.rb
index fbb9a346c2..bf7aa85f59 100644
--- a/lib/cgi.rb
+++ b/lib/cgi.rb
@@ -943,6 +943,9 @@ convert string charset, and set language to "ja".
 
     def [](key)
       value = @params[key][0]
+      def value.to_ary
+        [self.dup]
+      end
       def value.[](key)
         $stderr.puts <<END
 CAUTION! cgi['key'] == cgi.params['key'][0] If want Array, use cgi.params['key']