diff --git a/tests/Unit/Url/MetadataUrlTransformerTest.php b/tests/Unit/Url/MetadataUrlTransformerTest.php
index f73fa1c..52c446d 100644
--- a/tests/Unit/Url/MetadataUrlTransformerTest.php
+++ b/tests/Unit/Url/MetadataUrlTransformerTest.php
@@ -95,14 +95,14 @@ class MetadataUrlTransformerTest extends TestCase {
 
 	public function test_it_leaves_serialized_objects_unchanged(): void {
 		$transformer = new MetadataUrlTransformer( new UrlTransformer() );
-		$value       = 'O:8:"stdClass":1:{s:3:"url";s:28:"https://example.test/inside";}';
+		$value       = 'O:8:"stdClass":1:{s:3:"url";s:27:"https://example.test/inside";}';
 
 		self::assertSame( $value, $transformer->transformValue( $value, $this->mappings() ) );
 	}
 
 	public function test_it_leaves_serialized_payloads_with_nested_objects_unchanged(): void {
 		$transformer = new MetadataUrlTransformer( new UrlTransformer() );
-		$value       = 'a:2:{s:3:"url";s:28:"https://example.test/inside";s:6:"object";O:8:"stdClass":0:{}}';
+		$value       = 'a:2:{s:3:"url";s:27:"https://example.test/inside";s:6:"object";O:8:"stdClass":0:{}}';
 
 		self::assertSame( $value, $transformer->transformValue( $value, $this->mappings() ) );
 	}