diff --git a/app/Models/Invoice.php b/app/Models/Invoice.php
index d789555..75244de 100644
--- a/app/Models/Invoice.php
+++ b/app/Models/Invoice.php
@@ -83,15 +83,15 @@ class Invoice extends Model
                 Carbon::now()->isoFormat('YYYY-MM'),
                 Str::padLeft((Invoice::whereYear('created_at', Carbon::now()->isoFormat('YYYY'))
                     ->whereMonth('created_at', Carbon::now()->isoFormat('MM'))
-                ->count() + 1) ?: 1, 4, '0'),
+                    ->count() + 1) ?: 1, 4, '0'),
                 Str::substr(Str::upper(Str::slug(Auth::user()->name)), 0, 1)
             );
-            $model->total_days = collect([$model->tasks])
+            $model->total_days = collect($model->tasks)
                 /** @var null|float $previous */
                 ->reduce(function ($previous, array $task) {
                     return \floatval($task['days']) + \floatval($previous);
                 });
-            $model->total = collect([$model->tasks])
+            $model->total = collect($model->tasks)
                 /** @var null|float $previous */
                 ->reduce(function ($previous, array $task) {
                     return \floatval($task['amount']) + \floatval($previous);
@@ -99,12 +99,12 @@ class Invoice extends Model
             $model->status = InvoiceStatusEnum::opened;
         });
         static::updating(function (self $model) {
-            $model->total_days = collect([$model->tasks])
+            $model->total_days = collect($model->tasks)
                 /** @var null|float $previous */
                 ->reduce(function ($previous, array $task) {
                     return \floatval($task['days']) + \floatval($previous);
                 });
-            $model->total = collect([$model->tasks])
+            $model->total = collect($model->tasks)
                 /** @var null|float $previous */
                 ->reduce(function ($previous, array $task) {
                     return \floatval($task['amount']) + \floatval($previous);