diff --git a/app/Http/Controllers/RuleGroup/EditController.php b/app/Http/Controllers/RuleGroup/EditController.php
index 7ace86699b..09dc3889bd 100644
--- a/app/Http/Controllers/RuleGroup/EditController.php
+++ b/app/Http/Controllers/RuleGroup/EditController.php
@@ -38,8 +38,7 @@ use Illuminate\View\View;
  */
 class EditController extends Controller
 {
-    /** @var RuleGroupRepositoryInterface */
-    private $repository;
+    private RuleGroupRepositoryInterface $repository;
 
     /**
      * EditController constructor.
diff --git a/app/Http/Requests/ObjectGroupFormRequest.php b/app/Http/Requests/ObjectGroupFormRequest.php
index 63d11e1575..14c0e302ec 100644
--- a/app/Http/Requests/ObjectGroupFormRequest.php
+++ b/app/Http/Requests/ObjectGroupFormRequest.php
@@ -23,6 +23,7 @@ declare(strict_types=1);
 namespace FireflyIII\Http\Requests;
 
 use FireflyIII\Models\ObjectGroup;
+use FireflyIII\Support\Request\ConvertsDataTypes;
 use Illuminate\Foundation\Http\FormRequest;
 
 /**
@@ -30,6 +31,7 @@ use Illuminate\Foundation\Http\FormRequest;
  */
 class ObjectGroupFormRequest extends FormRequest
 {
+    use ConvertsDataTypes;
     /**
      * Verify the request.
      *
diff --git a/app/Support/Request/ConvertsDataTypes.php b/app/Support/Request/ConvertsDataTypes.php
index 4e446f7c28..a4793810d2 100644
--- a/app/Support/Request/ConvertsDataTypes.php
+++ b/app/Support/Request/ConvertsDataTypes.php
@@ -191,7 +191,7 @@ trait ConvertsDataTypes
      *
      * @return string
      */
-    protected function nlString(string $field): string
+    public function nlString(string $field): string
     {
         return app('steam')->nlCleanString((string)($this->get($field) ?? ''));
     }