diff -uNr http_parser.rb-0.6.0.orig/bench/standalone.rb http_parser.rb-0.6.0/bench/standalone.rb
--- http_parser.rb-0.6.0.orig/bench/standalone.rb	2016-09-03 15:27:48.046366524 +0200
+++ http_parser.rb-0.6.0/bench/standalone.rb	2016-09-03 15:28:13.458093864 +0200
@@ -1,4 +1,4 @@
-#!/usr/bin/env ruby
+#!/usr/bin/ruby
 $:.unshift File.dirname(__FILE__) + "/../lib"
 require "rubygems"
 require "http/parser"