diff --git a/app/Nova/Ticket.php b/app/Nova/Ticket.php
index 89cfd32..fe35428 100644
--- a/app/Nova/Ticket.php
+++ b/app/Nova/Ticket.php
@@ -56,7 +56,8 @@ public function fields(Request $request)
             ID::make(__('ID'), 'id')->sortable(),
             BelongsTo::make('User')
             ->sortable()
-            ->filterable(),
+            ->filterable()
+            ->nullable(),
             Slug::make('Slug')->exceptOnForms(),
             Text::make('Title')->required(true),
             Textarea::make('Description')->required(true),