diff --git a/src/Symfony/Component/Validator/Constraints/AbstractComparisonValidator.php b/src/Symfony/Component/Validator/Constraints/AbstractComparisonValidator.php
index fec0080fe02e9..3c95c097e8e9a 100644
--- a/src/Symfony/Component/Validator/Constraints/AbstractComparisonValidator.php
+++ b/src/Symfony/Component/Validator/Constraints/AbstractComparisonValidator.php
@@ -13,7 +13,7 @@
 
 use Symfony\Component\PropertyAccess\Exception\NoSuchPropertyException;
 use Symfony\Component\PropertyAccess\PropertyAccess;
-use Symfony\Component\PropertyAccess\PropertyAccessor;
+use Symfony\Component\PropertyAccess\PropertyAccessorInterface;
 use Symfony\Component\Validator\Constraint;
 use Symfony\Component\Validator\ConstraintValidator;
 use Symfony\Component\Validator\Exception\ConstraintDefinitionException;
@@ -29,7 +29,7 @@ abstract class AbstractComparisonValidator extends ConstraintValidator
 {
     private $propertyAccessor;
 
-    public function __construct(PropertyAccessor $propertyAccessor = null)
+    public function __construct(PropertyAccessorInterface $propertyAccessor = null)
     {
         $this->propertyAccessor = $propertyAccessor;
     }