1 files changed, 1 insertions, 1 deletions
diff --git a/Library/Formula/pbrt.rb b/Library/Formula/pbrt.rb
index f6015ccb0..fbf7b1345 100644
--- a/Library/Formula/pbrt.rb
+++ b/Library/Formula/pbrt.rb
@@ -27,7 +27,7 @@ class Pbrt < Formula
       s.change_make_var! "EXR_LIBDIR", "-L#{openexr.lib} -L#{ilmbase.lib}"
 
       # Change settings if we are using a 32bit system
-      if MACOS_VERSION < 10.6 or Hardware.is_32_bit?
+      if MacOS.leopard? or Hardware.is_32_bit?
         s.change_make_var! "MARCH", "-m32 -msse2 -mfpmath=sse"
       end
     end