diff --git a/src/Symfony/Component/Validator/Context/ExecutionContext.php b/src/Symfony/Component/Validator/Context/ExecutionContext.php
index e0d687502e..9800572b0a 100644
--- a/src/Symfony/Component/Validator/Context/ExecutionContext.php
+++ b/src/Symfony/Component/Validator/Context/ExecutionContext.php
@@ -153,7 +153,7 @@ class ExecutionContext implements ExecutionContextInterface
         $this->value = $value;
         $this->object = $object;
         $this->metadata = $metadata;
-        $this->propertyPath = (string) $propertyPath;
+        $this->propertyPath = $propertyPath;
     }
 
     /**
diff --git a/src/Symfony/Component/Validator/Violation/ConstraintViolationBuilder.php b/src/Symfony/Component/Validator/Violation/ConstraintViolationBuilder.php
index 72de7f1a16..9e198c6da8 100644
--- a/src/Symfony/Component/Validator/Violation/ConstraintViolationBuilder.php
+++ b/src/Symfony/Component/Validator/Violation/ConstraintViolationBuilder.php
@@ -46,7 +46,7 @@ class ConstraintViolationBuilder implements ConstraintViolationBuilderInterface
     /**
      * @param string $message The error message as a string or a stringable object
      */
-    public function __construct(ConstraintViolationList $violations, Constraint $constraint, $message, array $parameters, $root, $propertyPath, $invalidValue, TranslatorInterface $translator, $translationDomain = null)
+    public function __construct(ConstraintViolationList $violations, ?Constraint $constraint, $message, array $parameters, $root, $propertyPath, $invalidValue, TranslatorInterface $translator, $translationDomain = null)
     {
         $this->violations = $violations;
         $this->message = $message;