diff --git a/lib/bench_press/system_information.rb b/lib/bench_press/system_information.rb
index a4864e2..92411b3 100644
--- a/lib/bench_press/system_information.rb
+++ b/lib/bench_press/system_information.rb
@@ -74,7 +74,7 @@ def identifier
     end
 
     def mac?
-      Facter.kernel =~ /Darwin/
+      facts['kernel'] =~ /Darwin/
     end
   end
 end