diff --git a/src/Fixtures/ClassWithFormattedDateTimeInput.php b/src/Fixtures/ClassWithFormattedDateTimeInput.php
index 60b0d16..28bf00a 100644
--- a/src/Fixtures/ClassWithFormattedDateTimeInput.php
+++ b/src/Fixtures/ClassWithFormattedDateTimeInput.php
@@ -11,7 +11,7 @@
 final class ClassWithFormattedDateTimeInput
 {
     public function __construct(
-        #[CastToDateTimeImmutable('!d-m-Y')]
+        #[CastToDateTimeImmutable('!d-m-Y', 'Europe/Amsterdam')]
         public DateTimeImmutable $date
     ) {
     }
diff --git a/src/ObjectHydrationTestCase.php b/src/ObjectHydrationTestCase.php
index 40b61ba..8349ef3 100644
--- a/src/ObjectHydrationTestCase.php
+++ b/src/ObjectHydrationTestCase.php
@@ -227,6 +227,7 @@ public function hydrating_a_class_with_a_formatted_date(): void
 
         self::assertInstanceOf(ClassWithFormattedDateTimeInput::class, $object);
         self::assertEquals('1987-11-24 00:00:00', $object->date->format('Y-m-d H:i:s'));
+        self::assertEquals('Europe/Amsterdam', $object->date->getTimezone()->getName());
     }
 
     /**