diff --git a/Serializer/Normalizer/JsonSchemaErrorNormalizer.php b/Serializer/Normalizer/JsonSchemaErrorNormalizer.php
index 3323dd8..68c160d 100644
--- a/Serializer/Normalizer/JsonSchemaErrorNormalizer.php
+++ b/Serializer/Normalizer/JsonSchemaErrorNormalizer.php
@@ -29,6 +29,16 @@ public function supportsNormalization(mixed $data, string $format = null, array
         return $data instanceof JsonSchemaValidator;
     }
 
+    /**
+     * {@inheritdoc}
+     */
+    public function getSupportedTypes(?string $format): array
+    {
+        return [
+            JsonSchemaValidator::class => true,
+        ];
+    }
+
     /**
      * @param JsonSchemaValidator|object $object
      * @param string|null                $format