diff --git a/src/ServiceProvider.php b/src/ServiceProvider.php
index b76bbf38..81cac8af 100644
--- a/src/ServiceProvider.php
+++ b/src/ServiceProvider.php
@@ -28,8 +28,8 @@ public function boot()
 
     protected function registerBladeDirective()
     {
-        Blade::directive('inertia', function () {
-            return '<div id="app" data-page="{{ json_encode($page) }}"></div>';
+        Blade::directive('inertia', function ($id = 'app') {
+            return '<div id="'. $id .'" data-page="{{ json_encode($page) }}"></div>';
         });
     }