diff --git a/src/Symfony/Bridge/Doctrine/Tests/Fixtures/DoubleNullableNameEntity.php b/src/Symfony/Bridge/Doctrine/Tests/Fixtures/DoubleNullableNameEntity.php
new file mode 100644
index 0000000000..29b247b9b1
--- /dev/null
+++ b/src/Symfony/Bridge/Doctrine/Tests/Fixtures/DoubleNullableNameEntity.php
@@ -0,0 +1,36 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Bridge\Doctrine\Tests\Fixtures;
+
+use Doctrine\ORM\Mapping\Id;
+use Doctrine\ORM\Mapping\Column;
+use Doctrine\ORM\Mapping\Entity;
+
+/** @Entity */
+class DoubleNullableNameEntity
+{
+    /** @Id @Column(type="integer") */
+    protected $id;
+
+    /** @Column(type="string", nullable=true) */
+    public $name;
+
+    /** @Column(type="string", nullable=true) */
+    public $name2;
+
+    public function __construct($id, $name, $name2)
+    {
+        $this->id = $id;
+        $this->name = $name;
+        $this->name2 = $name2;
+    }
+}
diff --git a/src/Symfony/Bridge/Doctrine/Tests/Validator/Constraints/UniqueEntityValidatorTest.php b/src/Symfony/Bridge/Doctrine/Tests/Validator/Constraints/UniqueEntityValidatorTest.php
index 39a251c33d..115da8cba0 100644
--- a/src/Symfony/Bridge/Doctrine/Tests/Validator/Constraints/UniqueEntityValidatorTest.php
+++ b/src/Symfony/Bridge/Doctrine/Tests/Validator/Constraints/UniqueEntityValidatorTest.php
@@ -18,6 +18,7 @@ use Doctrine\Common\Persistence\ObjectRepository;
 use Symfony\Bridge\Doctrine\Test\DoctrineTestHelper;
 use Symfony\Bridge\Doctrine\Tests\Fixtures\SingleIntIdEntity;
 use Symfony\Bridge\Doctrine\Tests\Fixtures\DoubleNameEntity;
+use Symfony\Bridge\Doctrine\Tests\Fixtures\DoubleNullableNameEntity;
 use Symfony\Bridge\Doctrine\Tests\Fixtures\AssociationEntity;
 use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;
 use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntityValidator;
@@ -132,6 +133,7 @@ class UniqueEntityValidatorTest extends AbstractConstraintValidatorTest
         $schemaTool->createSchema(array(
             $em->getClassMetadata('Symfony\Bridge\Doctrine\Tests\Fixtures\SingleIntIdEntity'),
             $em->getClassMetadata('Symfony\Bridge\Doctrine\Tests\Fixtures\DoubleNameEntity'),
+            $em->getClassMetadata('Symfony\Bridge\Doctrine\Tests\Fixtures\DoubleNullableNameEntity'),
             $em->getClassMetadata('Symfony\Bridge\Doctrine\Tests\Fixtures\CompositeIntIdEntity'),
             $em->getClassMetadata('Symfony\Bridge\Doctrine\Tests\Fixtures\AssociationEntity'),
         ));
@@ -213,7 +215,7 @@ class UniqueEntityValidatorTest extends AbstractConstraintValidatorTest
         $this->assertNoViolation();
     }
 
-    public function testValidateUniquenessWithIgnoreNull()
+    public function testValidateUniquenessWithIgnoreNullDisabled()
     {
         $constraint = new UniqueEntity(array(
             'message' => 'myMessage',
@@ -261,6 +263,34 @@ class UniqueEntityValidatorTest extends AbstractConstraintValidatorTest
         $this->validator->validate($entity1, $constraint);
     }
 
+    public function testNoValidationIfFirstFieldIsNullAndNullValuesAreIgnored()
+    {
+        $constraint = new UniqueEntity(array(
+            'message' => 'myMessage',
+            'fields' => array('name', 'name2'),
+            'em' => self::EM_NAME,
+            'ignoreNull' => true,
+        ));
+
+        $entity1 = new DoubleNullableNameEntity(1, null, 'Foo');
+        $entity2 = new DoubleNullableNameEntity(2, null, 'Foo');
+
+        $this->validator->validate($entity1, $constraint);
+
+        $this->assertNoViolation();
+
+        $this->em->persist($entity1);
+        $this->em->flush();
+
+        $this->validator->validate($entity1, $constraint);
+
+        $this->assertNoViolation();
+
+        $this->validator->validate($entity2, $constraint);
+
+        $this->assertNoViolation();
+    }
+
     public function testValidateUniquenessWithValidCustomErrorPath()
     {
         $constraint = new UniqueEntity(array(
diff --git a/src/Symfony/Bridge/Doctrine/Validator/Constraints/UniqueEntityValidator.php b/src/Symfony/Bridge/Doctrine/Validator/Constraints/UniqueEntityValidator.php
index 61aef64ed8..51181b0714 100644
--- a/src/Symfony/Bridge/Doctrine/Validator/Constraints/UniqueEntityValidator.php
+++ b/src/Symfony/Bridge/Doctrine/Validator/Constraints/UniqueEntityValidator.php
@@ -80,6 +80,8 @@ class UniqueEntityValidator extends ConstraintValidator
         /* @var $class \Doctrine\Common\Persistence\Mapping\ClassMetadata */
 
         $criteria = array();
+        $hasNullValue = false;
+
         foreach ($fields as $fieldName) {
             if (!$class->hasField($fieldName) && !$class->hasAssociation($fieldName)) {
                 throw new ConstraintDefinitionException(sprintf('The field "%s" is not mapped by Doctrine, so it cannot be validated for uniqueness.', $fieldName));
@@ -87,6 +89,10 @@ class UniqueEntityValidator extends ConstraintValidator
 
             $fieldValue = $class->reflFields[$fieldName]->getValue($entity);
 
+            if (null === $fieldValue) {
+                $hasNullValue = true;
+            }
+
             if ($constraint->ignoreNull && null === $fieldValue) {
                 continue;
             }
@@ -102,6 +108,11 @@ class UniqueEntityValidator extends ConstraintValidator
             }
         }
 
+        // validation doesn't fail if one of the fields is null and if null values should be ignored
+        if ($hasNullValue && $constraint->ignoreNull) {
+            return;
+        }
+
         // skip validation if there are no criteria (this can happen when the
         // "ignoreNull" option is enabled and fields to be checked are null
         if (empty($criteria)) {