diff --git a/lib/mysql.js b/lib/mysql.js
index 5e44138..5c8b2c4 100644
--- a/lib/mysql.js
+++ b/lib/mysql.js
@@ -6,6 +6,7 @@ var mysql = require('mysql');
 var SqlConnector = require('loopback-connector').SqlConnector;
 var EnumFactory = require('./enumFactory').EnumFactory;
 
+var async = require('async');
 var debug = require('debug')('loopback:connector:mysql');
 
 /**
@@ -637,7 +638,7 @@ MySQL.prototype.destroyAll = function destroyAll(model, where, callback) {
  */
 MySQL.prototype.autoupdate = function (models, cb) {
   var self = this;
-  var wait = 0;
+
   if ((!cb) && ('function' === typeof models)) {
     cb = models;
     models = undefined;
@@ -649,11 +650,11 @@ MySQL.prototype.autoupdate = function (models, cb) {
 
   models = models || Object.keys(this._models);
 
-  models.forEach(function (model) {
+  async.each(models, function (model, done) {
     if (model in self._models) {
-      wait++;
-      self.query('SHOW FIELDS FROM ' + self.tableEscaped(model), function (err, fields) {
-        self.query('SHOW INDEXES FROM ' + self.tableEscaped(model), function (err, indexes) {
+      var table = self.tableEscaped(model);
+      self.query('SHOW FIELDS FROM ' + table, function (err, fields) {
+        self.query('SHOW INDEXES FROM ' + table, function (err, indexes) {
           if (!err && fields && fields.length) {
             self.alterTable(model, fields, indexes, done);
           } else {
@@ -662,16 +663,8 @@ MySQL.prototype.autoupdate = function (models, cb) {
         });
       });
     }
-  });
+  }, cb);
 
-  function done(err) {
-    if (err) {
-      console.error('%j', err);
-    }
-    if (--wait === 0 && cb) {
-      cb();
-    }
-  }
 };
 
 /*!
@@ -695,28 +688,29 @@ MySQL.prototype.createTable = function (model, cb) {
  * @param {String[]} [models] A model name or an array of model names. If not present, apply to all models
  * @param {Function} [cb] The callback function
  */
-MySQL.prototype.isActual = function (cb) {
-  var ok = false;
+MySQL.prototype.isActual = function(cb) {
   var self = this;
-  var wait = 0;
-  Object.keys(this._models).forEach(function (model) {
-    wait += 1;
-    self.query('SHOW FIELDS FROM ' + model, function (err, fields) {
-      self.query('SHOW INDEXES FROM ' + model, function (err, indexes) {
-        self.alterTable(model, fields, indexes, done, true);
+  var ok = false;
+  async.each(Object.keys(this._models), function(model, done) {
+    var table = self.tableEscaped(model);
+    self.query('SHOW FIELDS FROM ' + table, function(err, fields) {
+      self.query('SHOW INDEXES FROM ' + table, function(err, indexes) {
+        self.alterTable(model, fields, indexes, function(err, needAlter) {
+          if (err) {
+            return done(err);
+          } else {
+            ok = ok || needAlter;
+            done(err);
+          }
+        }, true);
       });
     });
-  });
-
-  function done(err, needAlter) {
+  }, function(err) {
     if (err) {
-      debug(err);
+      return err;
     }
-    ok = ok || needAlter;
-    if (--wait === 0 && cb) {
-      cb(null, !ok);
-    }
-  }
+    cb(null, !ok);
+  });
 };
 
 MySQL.prototype.alterTable = function (model, actualFields, actualIndexes, done, checkOnly) {
diff --git a/package.json b/package.json
index 62a828e..1aaab2d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "loopback-connector-mysql",
-  "version": "1.4.5",
+  "version": "1.4.6",
   "description": "MySQL connector for loopback-datasource-juggler",
   "main": "index.js",
   "scripts": {