diff --git a/src/ApiKernel.php b/src/ApiKernel.php
index d425137..b62caca 100644
--- a/src/ApiKernel.php
+++ b/src/ApiKernel.php
@@ -2574,7 +2574,7 @@ declare(strict_types=1);
 $senderConfig = [
     'token' => getenv('EMAILTEMPLATE_SENDER_TOKEN') ?: 'REPLACE_WITH_SHARED_TOKEN',
     'template_api' => [
-        'base_url' => getenv('EMAILTEMPLATE_API_BASE') ?: 'https://api.emailtemplate.it/external/render',
+        'base_url' => getenv('EMAILTEMPLATE_API_BASE') ?: ($GLOBALS['app_api_base'] ?? 'https://api.emailtemplate.it/external/render'),
         'token'    => getenv('EMAILTEMPLATE_API_TOKEN') ?: 'REPLACE_WITH_TEMPLATE_API_TOKEN',
         'timeout'  => 15,
     ],