diff --git a/core/lib/Drupal/Core/Validation/Plugin/Validation/Constraint/PrimitiveTypeConstraintValidator.php b/core/lib/Drupal/Core/Validation/Plugin/Validation/Constraint/PrimitiveTypeConstraintValidator.php
index 9525717..b32a1ad 100644
--- a/core/lib/Drupal/Core/Validation/Plugin/Validation/Constraint/PrimitiveTypeConstraintValidator.php
+++ b/core/lib/Drupal/Core/Validation/Plugin/Validation/Constraint/PrimitiveTypeConstraintValidator.php
@@ -15,7 +15,7 @@
 use Drupal\Core\TypedData\Type\IntegerInterface;
 use Drupal\Core\TypedData\Type\StringInterface;
 use Drupal\Core\TypedData\Type\UriInterface;
-use Drupal\Component\Utility\Url;
+use Drupal\Component\Utility\UrlHelper;
 use Symfony\Component\Validator\Constraint;
 use Symfony\Component\Validator\ConstraintValidator;
 
@@ -50,7 +50,7 @@ public function validate($value, Constraint $constraint) {
     if ($typed_data instanceof StringInterface && !is_scalar($value)) {
       $valid = FALSE;
     }
-    if ($typed_data instanceof UriInterface && Url::isValid($value, TRUE) === FALSE) {
+    if ($typed_data instanceof UriInterface && UrlHelper::isValid($value, TRUE) === FALSE) {
       $valid = FALSE;
     }
     // @todo: Move those to separate constraint validators.