diff --git a/laravel/bootstrap/app.php b/laravel/bootstrap/app.php
index 51dcd5217..5473bbe66 100644
--- a/laravel/bootstrap/app.php
+++ b/laravel/bootstrap/app.php
@@ -37,8 +37,8 @@ static function ($app) use ($config, $hasEnvironmentFile) {
     );
 };
 
-if (! defined('TESTBENCH_WORKING_PATH') && ! is_null(Env::get('TESTBENCH_WORKING_PATH'))) {
-    define('TESTBENCH_WORKING_PATH', Env::get('TESTBENCH_WORKING_PATH'));
+if (! defined('TESTBENCH_WORKING_PATH') && is_string(getenv('TESTBENCH_WORKING_PATH'))) {
+    define('TESTBENCH_WORKING_PATH', getenv('TESTBENCH_WORKING_PATH'));
 }
 
 $app = $createApp(realpath(__DIR__.'/../'));