diff --git a/lib/registry.js b/lib/registry.js
index 0945af7d..b3666c0b 100644
--- a/lib/registry.js
+++ b/lib/registry.js
@@ -318,6 +318,8 @@ registry.autoAttachModel = function(ModelCtor) {
   }
 };
 
+registry.DataSource = DataSource;
+
 /*
  * Core models
  * @private