diff --git a/lib/dao.js b/lib/dao.js
index 4062d24f..50a0c273 100644
--- a/lib/dao.js
+++ b/lib/dao.js
@@ -363,7 +363,7 @@ DataAccessObject.updateOrCreate = DataAccessObject.upsert = function upsert(data
 
     var isOriginalQuery = isWhereByGivenId(Model, ctx.query.where, id)
     if (Model.getDataSource().connector.updateOrCreate && isOriginalQuery) {
-      var context = { 
+      var context = {
         Model: Model,
         where: ctx.query.where,
         data: data,
@@ -1530,7 +1530,7 @@ DataAccessObject.prototype.save = function (options, cb) {
   var inst = this;
   var modelName = Model.modelName;
   var hookState = {};
-  
+
   var context = { Model: Model, instance: inst, hookState: hookState };
   Model.notifyObserversOf('before save', context, function(err) {
     if (err) return cb(err);
@@ -1737,7 +1737,7 @@ DataAccessObject.prototype.remove =
       var id = getIdValue(this.constructor, this);
       var hookState = {};
 
-      var context = { 
+      var context = {
         Model: Model, query: byIdQuery(Model, id), hookState: hookState
       };
 
@@ -1897,7 +1897,7 @@ DataAccessObject.prototype.updateAttributes = function updateAttributes(data, op
   var Model = this.constructor;
   var model = Model.modelName;
   var hookState = {};
-  
+
   // Convert the data to be plain object so that update won't be confused
   if (data instanceof Model) {
     data = data.toObject(false);