diff --git a/Library/Homebrew/test/formula_test.rb b/Library/Homebrew/test/formula_test.rb
index 15cafae137..c79c62571a 100755
--- a/Library/Homebrew/test/formula_test.rb
+++ b/Library/Homebrew/test/formula_test.rb
@@ -3,7 +3,7 @@
 # support, and with no warranty, express or implied, as to its usefulness for
 # any purpose.
 
-$:.unshift File.dirname(__FILE__)+'/..'
+$:.push(File.expand_path(__FILE__+'/../..'))
 require 'test/unit'
 require 'global'
 require 'formula'
diff --git a/Library/Homebrew/test/unittest.rb b/Library/Homebrew/test/unittest.rb
index e6bd273876..923080ea8a 100755
--- a/Library/Homebrew/test/unittest.rb
+++ b/Library/Homebrew/test/unittest.rb
@@ -5,7 +5,7 @@
 
 ABS__FILE__=File.expand_path(__FILE__)
 
-$:.unshift File.dirname(ABS__FILE__)+'/..'
+$:.push(File.expand_path(__FILE__+'/../..'))
 require 'extend/pathname'
 require 'utils'
 require 'hardware'