diff --git a/Normalizer/AbstractObjectNormalizer.php b/Normalizer/AbstractObjectNormalizer.php
index 63068420..3e3ef426 100644
--- a/Normalizer/AbstractObjectNormalizer.php
+++ b/Normalizer/AbstractObjectNormalizer.php
@@ -938,7 +938,7 @@ private function getType(string $currentClass, string $attribute): Type|array|nu
      */
     private function getPropertyType(string $className, string $property): Type|array|null
     {
-        if (method_exists($this->propertyTypeExtractor, 'getType')) {
+        if (class_exists(Type::class) && method_exists($this->propertyTypeExtractor, 'getType')) {
             return $this->propertyTypeExtractor->getType($className, $property);
         }