diff --git a/lib/mysql.js b/lib/mysql.js
index 0864a2e..17cbabe 100644
--- a/lib/mysql.js
+++ b/lib/mysql.js
@@ -690,10 +690,21 @@ 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) {
+MySQL.prototype.isActual = function(models, cb) {
   var self = this;
-  var ok = false;
-  async.each(Object.keys(this._models), function(model, done) {
+
+  if ((!cb) && ('function' === typeof models)) {
+    cb = models;
+    models = undefined;
+  }
+  // First argument is a model name
+  if ('string' === typeof models) {
+    models = [models];
+  }
+
+  models = models || Object.keys(this._models);
+  
+  async.each(Object.keys(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) {