fixes #648

lib/Doctrine/Template/Listener/Timestampable.php

@@ -63,7 +63,7 @@ class Doctrine_Template_Listener_Timestampable extends Doctrine_Record_Listener
             $event->getInvoker()->$createdName = $this->getTimestamp('created');
         }
 
-        if( ! $this->_options['updated']['disabled']) {
+        if( ! $this->_options['updated']['disabled'] && $this->_options['updated']['onInsert']) {
             $updatedName = $this->_options['updated']['name'];
             $event->getInvoker()->$updatedName = $this->getTimestamp('updated');
         }

lib/Doctrine/Template/Timestampable.php

@@ -50,6 +50,7 @@ class Doctrine_Template_Timestampable extends Doctrine_Template
                                                     'format'        =>  'Y-m-d H:i:s',
                                                     'disabled'      => false,
                                                     'expression'    => false,
+                                                    'onInsert'      => true,
                                                     'options'       =>  array()));
 
     /**