diff --git a/Classes/Domain/Schema/SchemaDenormalizer.php b/Classes/Domain/Schema/SchemaDenormalizer.php
index 559ca72..e2b7804 100644
--- a/Classes/Domain/Schema/SchemaDenormalizer.php
+++ b/Classes/Domain/Schema/SchemaDenormalizer.php
@@ -88,7 +88,8 @@ private static function convertValueObject(array|int|float|string|bool $value, s
         $parameterReflections = $reflection->getConstructor()->getParameters();
         $convertedArguments = [];
         if (is_array($value)) {
-            foreach ($parameterReflections as $name => $reflectionParameter) {
+            foreach ($parameterReflections as $reflectionParameter) {
+                $name = $reflectionParameter->getName();
                 $type = $reflectionParameter->getType();
                 if ($reflectionParameter->isDefaultValueAvailable() && !array_key_exists($reflectionParameter->getName(), $value)) {
                     continue;
diff --git a/Tests/Unit/Domain/Schema/SchemaNormalizerTest.php b/Tests/Unit/Domain/Schema/SchemaNormalizerTest.php
index 08485b6..2f136e7 100644
--- a/Tests/Unit/Domain/Schema/SchemaNormalizerTest.php
+++ b/Tests/Unit/Domain/Schema/SchemaNormalizerTest.php
@@ -13,6 +13,30 @@
 
 final class SchemaNormalizerTest extends TestCase
 {
+    public static function denormalizeObjectsWithOptionalParametersDataProvider(): \Generator
+    {
+        yield 'min PostalAddress' => [
+            Fixtures\PostalAddress::class,
+            ['streetAddress' => 'Sesamstraße 42', 'addressRegion' => 'Muppetingen'],
+            new Fixtures\PostalAddress(streetAddress: 'Sesamstraße 42', addressRegion: 'Muppetingen')
+        ];
+        yield 'PostalAddress with missing parameter in between' => [
+            Fixtures\PostalAddress::class,
+            ['streetAddress' => 'Dämonenweg 23', 'addressRegion' => 'Hölle', 'postOfficeBoxNumber' => '666'],
+            new Fixtures\PostalAddress(streetAddress: 'Dämonenweg 23', addressRegion: 'Hölle', postOfficeBoxNumber: '666')
+        ];
+    }
+
+    /**
+     * @dataProvider denormalizeObjectsWithOptionalParametersDataProvider
+     * @test
+     */
+    public function denormalizeObjectsWithOptionalParameters(mixed $type, mixed $data, mixed $expected): void
+    {
+        Assert::assertEquals($expected, SchemaDenormalizer::denormalizeValue($data, $type));
+    }
+
+
     /**
      * @dataProvider valueNormalizationPairs
      * @test