diff --git a/Library/Homebrew/brewkit.rb b/Library/Homebrew/brewkit.rb
index f41a16f41d..41422ed9e2 100644
--- a/Library/Homebrew/brewkit.rb
+++ b/Library/Homebrew/brewkit.rb
@@ -179,6 +179,8 @@ paths=ENV['PATH'].split(':').reject do |p|
 end
 ENV['PATH']=paths*':'
 
+# Clear CDPATH to avoid make issues that depend on changing directories
+ENV.delete('CDPATH')
 
 def inreplace(path, before, after)
   before=Regexp.escape before.to_s