diff --git a/app/Models/Invoice.php b/app/Models/Invoice.php
index 9f113d6..096d564 100644
--- a/app/Models/Invoice.php
+++ b/app/Models/Invoice.php
@@ -6,6 +6,7 @@ use App\Enums\Invoice\TaskType;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Support\Carbon;
+use Illuminate\Support\Facades\Auth;
 use Illuminate\Support\Str;
 use Kwaadpepper\CrudPolicies\Enums\CrudAction;
 use Kwaadpepper\CrudPolicies\Enums\CrudType;
@@ -255,7 +256,7 @@ class Invoice extends Model
                 Str::padLeft((Invoice::whereYear('created_at', Carbon::now()->isoFormat('YYYY'))
                     ->whereMonth('created_at', Carbon::now()->isoFormat('MM'))
                 ->count() + 1) ?: 1, 4, '0'),
-                Str::substr(Str::upper(Str::slug(User::query()->inRandomOrder()->first()->name)), 0, 1)
+                Str::substr(Str::upper(Str::slug(Auth::user()->name)), 0, 1)
             );
             $model->total_days = collect($model->tasks)
                 /** @var null|float $previous */