diff --git a/lib/datasource.js b/lib/datasource.js
index 9ced62d8..86cdd984 100644
--- a/lib/datasource.js
+++ b/lib/datasource.js
@@ -539,7 +539,7 @@ DataSource.prototype.mixin = function (ModelCtor) {
   var DAO = this.DataAccessObject;
 
   // mixin DAO
-  jutil.mixin(ModelCtor, DAO, {proxyFunctions: true});
+  jutil.mixin(ModelCtor, DAO, {proxyFunctions: true, override: true});
 
   // decorate operations as alias functions
   Object.keys(ops).forEach(function (name) {