diff --git a/src/Magento/FunctionalTestingFramework/Console/GenerateTestsCommand.php b/src/Magento/FunctionalTestingFramework/Console/GenerateTestsCommand.php
index 581688615..ca9d6e3cc 100644
--- a/src/Magento/FunctionalTestingFramework/Console/GenerateTestsCommand.php
+++ b/src/Magento/FunctionalTestingFramework/Console/GenerateTestsCommand.php
@@ -123,7 +123,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
      * @throws \Magento\FunctionalTestingFramework\Exceptions\XmlException
      */
     private function createTestConfiguration(
-        string $json,
+        $json,
         array $tests,
         bool $force,
         string $debug,