diff --git a/bootstrap/start.php b/bootstrap/start.php
index 077053b6d..cd963024c 100644
--- a/bootstrap/start.php
+++ b/bootstrap/start.php
@@ -25,7 +25,7 @@ $app = new Illuminate\Foundation\Application;
 */
 
 $env = $app->detectEnvironment(function () {
-    return isset($_SERVER['CMS_ENV']) ? $_SERVER['CMS_ENV'] : 'production';
+    return getenv('CMS_ENV') ?: 'production';
 });
 
 /*