diff --git a/src/Dripper.php b/src/Dripper.php
index 26d39a8..5b4a308 100644
--- a/src/Dripper.php
+++ b/src/Dripper.php
@@ -38,7 +38,7 @@ public function getIntervalAttribute() : string
 
     public function getUrlAttribute() : string
     {
-        return trim(config('genealabs-laravel-caffeine.domain', url('/')), '/')
+        return trim(config('genealabs-laravel-caffeine.domain') ?? url('/'), '/')
             . '/'
             . trim(config(
                 'genealabs-laravel-caffeine.route',