diff --git a/config/session.php b/config/session.php
index f1b004214a4..f8dd6a588b5 100644
--- a/config/session.php
+++ b/config/session.php
@@ -135,7 +135,7 @@
     |
     */
 
-    'domain' => null,
+    'domain' => env('SESSION_DOMAIN', null),
 
     /*
     |--------------------------------------------------------------------------