diff --git a/ChangeLog b/ChangeLog
index cdd34abb93..195ebb309a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Wed Jul 15 04:22:54 2009  NARUSE, Yui  <naruse@ruby-lang.org>
+
+	* test/cgi/test_cgi_multipart.rb (CGIMultipartTest#_prepare):
+	  set tempfile name with literal.
+
 Tue Jul 14 21:53:18 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* ext/io/nonblock: moved from ext/io/wait/lib.
diff --git a/test/cgi/test_cgi_multipart.rb b/test/cgi/test_cgi_multipart.rb
index 47a41f6488..86bbc0d28c 100644
--- a/test/cgi/test_cgi_multipart.rb
+++ b/test/cgi/test_cgi_multipart.rb
@@ -136,9 +136,9 @@ class CGIMultipartTest < Test::Unit::TestCase
     ENV['REQUEST_METHOD'] = 'POST'
     ## set $stdin
     tmpfile = if RUBY_VERSION >="1.9"
-                Tempfile.new(self.name, :binmode => true)
+                Tempfile.new('test_cgi_multipart', :binmode => true)
               else
-                Tempfile.new(self.name)
+                Tempfile.new('test_cgi_multipart')
               end
     tmpfile << input
     tmpfile.rewind()