diff --git a/Library/Homebrew/brewkit.rb b/Library/Homebrew/brewkit.rb
index 86858ab0f7..6c85c406f0 100644
--- a/Library/Homebrew/brewkit.rb
+++ b/Library/Homebrew/brewkit.rb
@@ -46,8 +46,9 @@ else
 end
 
 if MACOS_VERSION >= 10.6 or ENV['HOMEBREW_USE_LLVM']
-  ENV['CC']  = '/Developer/usr/llvm-gcc-4.2/bin/llvm-gcc-4.2'
-  ENV['CXX'] = '/Developer/usr/llvm-gcc-4.2/bin/llvm-g++-4.2'
+  ENV['PATH'] = "/Developer/usr/llvm-gcc-4.2/bin:#{ENV['PATH']}"
+  ENV['CC'] = 'llvm-gcc-4.2'
+  ENV['CXX'] = 'llvm-g++-4.2'
   cflags = ['-O4'] # O4 baby!
 else
   ENV['CC']="gcc-4.2"