diff --git a/lib/application.js b/lib/application.js
index 9943f0a9..16289bca 100644
--- a/lib/application.js
+++ b/lib/application.js
@@ -222,14 +222,15 @@ app.models = function () {
  * Define a DataSource.
  *
  * @param {String} name The data source name
- * @param {Object} config The data source config 
+ * @param {Object} config The data source config
+ * @param {DataSource} The registered data source
  */
-
 app.dataSource = function (name, config) {
+  var ds = dataSourcesFromConfig(config, this.connectors);
   this.dataSources[name] =
   this.dataSources[classify(name)] =
-  this.dataSources[camelize(name)] =
-    dataSourcesFromConfig(config, this.connectors);
+  this.dataSources[camelize(name)] = ds;
+  return ds;
 }
 
 /**