diff --git a/Formula/libutf.rb b/Formula/libutf.rb
index 76a884df31..7947684a52 100644
--- a/Formula/libutf.rb
+++ b/Formula/libutf.rb
@@ -1,13 +1,16 @@
 require 'formula'
 
 class Libutf < Formula
-  url 'http://swtch.com/plan9port/unix/libutf.tgz'
-  version '1.0'
   homepage 'http://swtch.com/plan9port/unix/'
+  url 'http://swtch.com/plan9port/unix/libutf-20110530.tgz'
   sha256 '7789326c507fe9c07ade0731e0b0da221385a8f7cd1faa890af92a78a953bf5e'
 
   def install
-    inreplace 'Makefile', 'man/man7', 'share/man/man7'
+    # Make.Darwin-386 is the only Makefile they have
+    inreplace 'Makefile' do |f|
+      f.gsub! 'man/man7', 'share/man/man7'
+      f.gsub! 'Make.$(SYSNAME)-$(OBJTYPE)', 'Make.Darwin-386'
+    end
     system "make", "PREFIX=#{prefix}", "install"
   end
 end