diff --git a/Gemfile b/Gemfile
index 9bb321e..130623c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,7 +5,7 @@ group :development, :test do
   gem "bundler"
   gem "rake"
   gem "json"
-  gem "bson_ext" unless RUBY_PLATFORM == "java"
+  gem "bson_ext" unless RUBY_PLATFORM =~ /java/
 
   # Deployment
   gem "git"
@@ -15,7 +15,7 @@ group :development, :test do
   gem "shoulda"
   gem "test-unit"
   gem "ci_reporter"
-  gem "ruby-prof" unless RUBY_PLATFORM == "java"
+  gem "ruby-prof" unless RUBY_PLATFORM =~ /java/
 
   # Java
   platforms :jruby do
diff --git a/bench/profile_array.rb b/bench/profile_array.rb
index af22aab..3f79d4d 100644
--- a/bench/profile_array.rb
+++ b/bench/profile_array.rb
@@ -1,9 +1,5 @@
 #!/usr/bin/env ruby
-$LOAD_PATH[0,0] = File.join(File.dirname(__FILE__), '..', 'lib')
-#
-# Note: Ruby 1.9 is faster than 1.8, as expected.
-# This suite will be run against the installed version of ruby-mongo-driver.
-# The c-extension, bson_ext, will be used if installed.
+$LOAD_PATH.unshift(File.expand_path("../../lib", __FILE__))
 
 require 'rubygems'
 require 'mongo'