diff --git a/ChangeLog b/ChangeLog
index 72c7f3743f..c0c3dac8d8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Thu Apr 11 01:55:52 2002  Wakou Aoyama  <wakou@fsinet.or.jp>
+
+	* lib/cgi/session.rb: support for multipart form.
+
 Wed Apr 10 18:42:23 2002  Tachino Nobuhiro <tachino@jp.fujitsu.com>
 
 	* dir.c (glob_helper): should have proceed link when link->path
diff --git a/lib/cgi/session.rb b/lib/cgi/session.rb
index cfefa8f0b0..5709178d0f 100644
--- a/lib/cgi/session.rb
+++ b/lib/cgi/session.rb
@@ -36,6 +36,7 @@ class CGI
       end
       unless id
 	id, = request[session_key]
+        id = id.read if id.respond_to?(:read)
 	unless id
 	  id, = request.cookies[session_key]
 	end