diff --git a/system/Boot.php b/system/Boot.php
index 49d3da2..6424019 100644
--- a/system/Boot.php
+++ b/system/Boot.php
@@ -141,8 +141,12 @@ class Boot
     protected static function loadDotEnv(Paths $paths): void
     {
         require_once $paths->systemDirectory . '/Config/DotEnv.php';
-        $env_file  =  '.env';
-        if (ENVIRONMENT == 'production'){{
+        $env = $_ENV['CI_ENVIRONMENT'] ?? $_SERVER['CI_ENVIRONMENT']
+            ?? getenv('CI_ENVIRONMENT')
+            ?: 'production';
+
+        $env_file  =  '.env';  // default file
+        if ($env == 'production'){{
             $env_file = '.env.live';
         }}
         (new DotEnv($paths->appDirectory . '/../', $env_file))->load();