diff --git a/app/Http/Controllers/Admin/InvoiceController.php b/app/Http/Controllers/Admin/InvoiceController.php
index 381d7385..bc20ef4c 100644
--- a/app/Http/Controllers/Admin/InvoiceController.php
+++ b/app/Http/Controllers/Admin/InvoiceController.php
@@ -16,7 +16,7 @@ class InvoiceController extends Controller
         $zip = new ZipArchive;
         $zip_safe_path = storage_path('invoices.zip');
         $res = $zip->open($zip_safe_path, ZipArchive::CREATE | ZipArchive::OVERWRITE);
-        $result = $dthis::rglob(storage_path('app/invoice/*'));
+        $result = $this::rglob(storage_path('app/invoice/*'));
         if ($res === TRUE) {
             $zip->addFromString("1. Info.txt", __("Created at") . " " . now()->format("d.m.Y"));
             foreach ($result as $file) {
diff --git a/config/app.php b/config/app.php
index 652be605..7da98065 100644
--- a/config/app.php
+++ b/config/app.php
@@ -5,6 +5,7 @@ use App\Models\Settings;
 return [
 
     'version' => '0.7.3',
+
     /*
     |--------------------------------------------------------------------------
     | Application Name