diff --git a/Library/Homebrew/hardware.rb b/Library/Homebrew/hardware.rb
index 3d76a74db5..4c79243727 100644
--- a/Library/Homebrew/hardware.rb
+++ b/Library/Homebrew/hardware.rb
@@ -69,3 +69,7 @@ protected
     $?.success? && result == 1 # sysctl call succeded and printed 1
   end
 end
+
+def snow_leopard_64?
+  MACOS_VERSION >= 10.6 and Hardware.is_64_bit?
+end