diff --git a/lib/vagrant-berkshelf/action/load.rb b/lib/vagrant-berkshelf/action/load.rb
index 3ac7011..ab816c3 100644
--- a/lib/vagrant-berkshelf/action/load.rb
+++ b/lib/vagrant-berkshelf/action/load.rb
@@ -40,7 +40,7 @@ def mkshelf(env)
             FileUtils.mkdir_p(shelves)
           end
 
-          Dir.mktmpdir(['berkshelf', "-#{env[:machine].name}"], shelves)
+          Dir.mktmpdir('bs', shelves)
         end
       end
     end