diff --git a/Formula/redpen.rb b/Formula/redpen.rb
index 79f488ac58..c2ac392852 100644
--- a/Formula/redpen.rb
+++ b/Formula/redpen.rb
@@ -11,8 +11,7 @@ class Redpen < Formula
     libexec.install %w[conf lib sample-doc]
 
     prefix.install "bin"
-    java_home = `/usr/libexec/java_home`.chomp
-    bin.env_script_all_files(libexec/"bin", :JAVA_HOME => java_home)
+    bin.env_script_all_files(libexec/"bin", :JAVA_HOME => ENV["JAVA_HOME"])
   end
 
   test do