diff --git a/test/CurlConverterTest.php b/test/CurlConverterTest.php
index 341cd0a..dd59fa5 100644
--- a/test/CurlConverterTest.php
+++ b/test/CurlConverterTest.php
@@ -52,6 +52,6 @@ public function testCurlPostDataToPhP()
     $this->assertIsString($converted);
     $this->assertStringContainsString('<?php', $converted);
     $this->assertStringContainsString('https://www.example.com/api/resource', $converted);
-    $this->assertStringContainsString('{"operationName":"getPastGroupEvents","variables":{"urlname":"test","beforeDateTime":"2026-01-30T08:12:37.288Z","after":"MzA3NjgxNTk3OjE3NDcxNTkyMDAwMDA="},"extensions":{"persistedQuery":{"version":1,"sha256Hash":""}}}', $converted);
+    $this->assertStringContainsString('{\"operationName\":\"getPastGroupEvents\",\"variables\":{\"urlname\":\"test\",\"beforeDateTime\":\"2026-01-30T08:12:37.288Z\",\"after\":\"MzA3NjgxNTk3OjE3NDcxNTkyMDAwMDA=\"},\"extensions\":{\"persistedQuery\":{\"version\":1,\"sha256Hash\":\"\"}}}', $converted);
   }
 }
\ No newline at end of file