diff --git a/lib/dm-sweatshop/sweatshop.rb b/lib/dm-sweatshop/sweatshop.rb
index <HASH>..<HASH> 100644
--- a/lib/dm-sweatshop/sweatshop.rb
+++ b/lib/dm-sweatshop/sweatshop.rb
@@ -1,5 +1,8 @@
 module DataMapper
   class Sweatshop
+    class NoFixturesExist < Exception
+    end
+
     class << self
       attr_accessor :model_map
       attr_accessor :record_map
Add NoFixtureExist exception so dm-sweatshop doesn't blow up when fixture does not exist.