diff --git a/src/Symfony/Bridge/Twig/NodeVisitor/TranslationDefaultDomainNodeVisitor.php b/src/Symfony/Bridge/Twig/NodeVisitor/TranslationDefaultDomainNodeVisitor.php
index c69ca843e8..b3c89d18eb 100644
--- a/src/Symfony/Bridge/Twig/NodeVisitor/TranslationDefaultDomainNodeVisitor.php
+++ b/src/Symfony/Bridge/Twig/NodeVisitor/TranslationDefaultDomainNodeVisitor.php
@@ -14,6 +14,7 @@ namespace Symfony\Bridge\Twig\NodeVisitor;
 use Symfony\Bridge\Twig\Node\TransNode;
 use Symfony\Bridge\Twig\Node\TransDefaultDomainNode;
 use Twig\Environment;
+use Twig\Node\BlockNode;
 use Twig\Node\Expression\ArrayExpression;
 use Twig\Node\Expression\AssignNameExpression;
 use Twig\Node\Expression\ConstantExpression;
@@ -21,6 +22,7 @@ use Twig\Node\Expression\FilterExpression;
 use Twig\Node\Expression\NameExpression;
 use Twig\Node\ModuleNode;
 use Twig\Node\Node;
+use Twig\Node\SetNode;
 use Twig\NodeVisitor\AbstractNodeVisitor;
 
 /**
@@ -48,7 +50,7 @@ class TranslationDefaultDomainNodeVisitor extends AbstractNodeVisitor
      */
     protected function doEnterNode(Node $node, Environment $env)
     {
-        if ($node instanceof Node_Block || $node instanceof ModuleNode) {
+        if ($node instanceof BlockNode || $node instanceof ModuleNode) {
             $this->scope = $this->scope->enter();
         }
 
@@ -62,7 +64,7 @@ class TranslationDefaultDomainNodeVisitor extends AbstractNodeVisitor
                 $name = new AssignNameExpression($var, $node->getTemplateLine());
                 $this->scope->set('domain', new NameExpression($var, $node->getTemplateLine()));
 
-                return new Node_Set(false, new Node(array($name)), new Node(array($node->getNode('expr'))), $node->getTemplateLine());
+                return new SetNode(false, new Node(array($name)), new Node(array($node->getNode('expr'))), $node->getTemplateLine());
             }
         }
 
@@ -104,7 +106,7 @@ class TranslationDefaultDomainNodeVisitor extends AbstractNodeVisitor
             return false;
         }
 
-        if ($node instanceof Node_Block || $node instanceof ModuleNode) {
+        if ($node instanceof BlockNode || $node instanceof ModuleNode) {
             $this->scope = $this->scope->leave();
         }
 
diff --git a/src/Symfony/Component/Form/FormFactory.php b/src/Symfony/Component/Form/FormFactory.php
index f0a399b95c..b4a9bc5e95 100644
--- a/src/Symfony/Component/Form/FormFactory.php
+++ b/src/Symfony/Component/Form/FormFactory.php
@@ -153,7 +153,13 @@ class FormFactory implements FormFactoryInterface
 
         // user options may override guessed options
         if ($typeGuess) {
-            $options = array_merge($typeGuess->getOptions(), $options);
+            $attrs = array();
+            $typeGuessOptions = $typeGuess->getOptions();
+            if (isset($typeGuessOptions['attr']) && isset($options['attr'])) {
+                $attrs = array('attr' => array_merge($typeGuessOptions['attr'], $options['attr']));
+            }
+
+            $options = array_merge($typeGuessOptions, $options, $attrs);
         }
 
         return $this->createNamedBuilder($property, $type, $data, $options);
diff --git a/src/Symfony/Component/Form/Tests/FormFactoryTest.php b/src/Symfony/Component/Form/Tests/FormFactoryTest.php
index f75c94e32c..04dddc771f 100644
--- a/src/Symfony/Component/Form/Tests/FormFactoryTest.php
+++ b/src/Symfony/Component/Form/Tests/FormFactoryTest.php
@@ -686,7 +686,7 @@ class FormFactoryTest extends TestCase
             ->with('Application\Author', 'firstName')
             ->will($this->returnValue(new TypeGuess(
                 'Symfony\Component\Form\Extension\Core\Type\TextType',
-                array('attr' => array('maxlength' => 10)),
+                array('attr' => array('class' => 'foo', 'maxlength' => 10)),
                 Guess::MEDIUM_CONFIDENCE
             )));
 
@@ -694,7 +694,7 @@ class FormFactoryTest extends TestCase
 
         $factory->expects($this->once())
             ->method('createNamedBuilder')
-            ->with('firstName', 'Symfony\Component\Form\Extension\Core\Type\TextType', null, array('attr' => array('maxlength' => 11)))
+            ->with('firstName', 'Symfony\Component\Form\Extension\Core\Type\TextType', null, array('attr' => array('class' => 'foo', 'maxlength' => 11)))
             ->will($this->returnValue('builderInstance'));
 
         $this->builder = $factory->createBuilderForProperty(