diff --git a/config/tenancy.php b/config/tenancy.php
index 73908cf..7baf6ef 100644
--- a/config/tenancy.php
+++ b/config/tenancy.php
@@ -16,10 +16,9 @@ return [
      *
      * Only relevant if you're using the domain or subdomain identification middleware.
      */
-    'central_domains' => [
-        '127.0.0.1',
-        'localhost',
-    ],
+    'central_domains' => array_filter(
+        array_map('trim', explode(',', env('CENTRAL_DOMAINS', '127.0.0.1,localhost')))
+    ),
 
     /**
      * Tenancy bootstrappers are executed when tenancy is initialized.