diff --git a/tests/Serializer/PosNetSerializerTest.php b/tests/Serializer/PosNetSerializerTest.php
index 3167fa4d..4374bac9 100644
--- a/tests/Serializer/PosNetSerializerTest.php
+++ b/tests/Serializer/PosNetSerializerTest.php
@@ -36,7 +36,7 @@ public function testEncode(array $data, string $expected): void
     {
         $result = $this->serializer->encode($data);
 
-        $this->assertSame($expected, $result);
+        $this->assertEquals($expected, $result);
     }
 
     /**