diff --git a/src/Symfony/Component/Form/Extension/Validator/ViolationMapper/MappingRule.php b/src/Symfony/Component/Form/Extension/Validator/ViolationMapper/MappingRule.php
index 590f7df2d8b5..cb9f3f953326 100644
--- a/src/Symfony/Component/Form/Extension/Validator/ViolationMapper/MappingRule.php
+++ b/src/Symfony/Component/Form/Extension/Validator/ViolationMapper/MappingRule.php
@@ -55,7 +55,7 @@ public function getOrigin()
      */
     public function match($propertyPath)
     {
-        if ($propertyPath === (string) $this->propertyPath) {
+        if ($propertyPath === $this->propertyPath) {
             return $this->getTarget();
         }
     }