diff --git a/test/net/http/test_http.rb b/test/net/http/test_http.rb
index 9833a8e9e5..036a6a1570 100644
--- a/test/net/http/test_http.rb
+++ b/test/net/http/test_http.rb
@@ -3,7 +3,7 @@
 require 'test/unit'
 require 'net/http'
 require 'stringio'
-require File.expand_path("utils", File.dirname(__FILE__))
+require_relative 'utils'
 
 module TestNetHTTP_version_1_1_methods