diff --git a/src/Platform/Http/Screens/NotificationScreen.php b/src/Platform/Http/Screens/NotificationScreen.php
index c6b7af776..078d20388 100644
--- a/src/Platform/Http/Screens/NotificationScreen.php
+++ b/src/Platform/Http/Screens/NotificationScreen.php
@@ -41,6 +41,11 @@ class NotificationScreen extends Screen
      */
     private $isNotEmpty = false;
 
+    /**
+     * @var bool
+     */
+    private $hasUnread = false;
+    
     /**
      * Query data.
      *
@@ -56,6 +61,9 @@ public function query(Request $request): iterable
             ->paginate(10);
 
         $this->isNotEmpty = $notifications->isNotEmpty();
+        
+        $unreadNotifications = $request->user()->unreadNotifications;
+        $this->hasUnread = boolval(count($unreadNotifications));
 
         return [
             'notifications' => $notifications,
@@ -79,6 +87,7 @@ public function commandBar(): iterable
             Button::make(__('Mark all as read'))
                 ->icon('eye')
                 ->method('markAllAsRead')
+                ->disabled(!$this->hasUnread)
                 ->canSee($this->isNotEmpty),
         ];
     }