diff --git a/app/Filament/Resources/Shop/OrderResource.php b/app/Filament/Resources/Shop/OrderResource.php
index 75162c027..ff4a3cfdc 100644
--- a/app/Filament/Resources/Shop/OrderResource.php
+++ b/app/Filament/Resources/Shop/OrderResource.php
@@ -199,7 +199,7 @@ protected static function getNavigationBadge(): ?string
         return static::$model::where('status', 'new')->count();
     }
 
-    public static function getFormSchema(?string $section = null): array
+    public static function getFormSchema(string $section = null): array
     {
         if ($section === 'items') {
             return [