diff --git a/lib/refinery_initializer.rb b/lib/refinery_initializer.rb
index 084034747d..3fc9b6b024 100644
--- a/lib/refinery_initializer.rb
+++ b/lib/refinery_initializer.rb
@@ -1,7 +1,4 @@
-# Get library path without '..' directories.
-dir_parts = (File.join File.dirname(__FILE__), '..').split(File::SEPARATOR)
-dir_parts = dir_parts[0..(dir_parts.length-3)] until dir_parts[dir_parts.length-1] != ".."
-REFINERY_ROOT = File.join dir_parts
+REFINERY_ROOT = File.expand_path(File.dirname(__FILE__) << "/..")
 
 unless REFINERY_ROOT == RAILS_ROOT # e.g. only if we're in a gem.
   $LOAD_PATH.unshift "#{REFINERY_ROOT}/vendor/plugins"