diff --git a/src/app/Http/Middleware/HandleInertiaRequests.php b/src/app/Http/Middleware/HandleInertiaRequests.php
index 0995a5b..8c0343c 100644
--- a/src/app/Http/Middleware/HandleInertiaRequests.php
+++ b/src/app/Http/Middleware/HandleInertiaRequests.php
@@ -88,8 +88,10 @@ class HandleInertiaRequests extends Middleware
             'unreadNotifications' => $unreadNotifications,
         ];
 
-        if ($request->user()->email === env('ADMIN_EMAIL')) {
-            $additionalData['is_admin_user'] = true;
+        if (! is_null($request->user())) {
+            if ($request->user()->email === env('ADMIN_EMAIL')) {
+                $additionalData['is_admin_user'] = true;
+            }
         }
 
         return array_merge(parent::share($request), $additionalData);