diff --git a/app/Domain/Enums/Month.php b/app/Domain/Enums/Month.php
index 9807447..a6d2921 100644
--- a/app/Domain/Enums/Month.php
+++ b/app/Domain/Enums/Month.php
@@ -48,6 +48,6 @@ enum Month: string
 
     public static function fromNameOrCurrent(string $name): Month
     {
-        return Month::tryFrom($name) ?? Month::current();     
+        return Month::tryFrom($name) ?? Month::current();
     }
 }
diff --git a/app/Domain/TimesheetExport.php b/app/Domain/TimesheetExport.php
index ec7cf1e..f0ed480 100644
--- a/app/Domain/TimesheetExport.php
+++ b/app/Domain/TimesheetExport.php
@@ -7,6 +7,7 @@ namespace Toby\Domain;
 use Illuminate\Database\Eloquent\Collection;
 use Illuminate\Support\Carbon;
 use Maatwebsite\Excel\Concerns\WithMultipleSheets;
+use Toby\Eloquent\Models\User;
 
 class TimesheetExport implements WithMultipleSheets
 {
@@ -15,13 +16,9 @@ class TimesheetExport implements WithMultipleSheets
 
     public function sheets(): array
     {
-        $sheets = [];
-
-        foreach ($this->users as $user) {
-            $sheets[] = new TimesheetPerUserSheet($user, $this->month);
-        }
-
-        return $sheets;
+        return $this->users
+            ->map(fn(User $user) => new TimesheetPerUserSheet($user, $this->month))
+            ->toArray();
     }
 
     public function forUsers(Collection $users): static
diff --git a/app/Domain/TimesheetPerUserSheet.php b/app/Domain/TimesheetPerUserSheet.php
index 9fd4f7a..7563473 100644
--- a/app/Domain/TimesheetPerUserSheet.php
+++ b/app/Domain/TimesheetPerUserSheet.php
@@ -35,6 +35,8 @@ class TimesheetPerUserSheet implements WithTitle, WithHeadings, WithEvents, With
     use RegistersEventListeners;
 
     protected const HOURS_PER_DAY = 8;
+    protected const START_HOUR = 8;
+    protected const END_HOUR = 16;
 
     public function __construct(
         protected User $user,
@@ -79,8 +81,8 @@ class TimesheetPerUserSheet implements WithTitle, WithHeadings, WithEvents, With
             $row = [
                 Date::dateTimeToExcel($day),
                 $day->translatedFormat("l"),
-                $workedThisDay ? $this->toExcelTime(Carbon::createFromTime(8)) : null,
-                $workedThisDay ? $this->toExcelTime(Carbon::createFromTime(16)) : null,
+                $workedThisDay ? $this->toExcelTime(Carbon::createFromTime(static::START_HOUR)) : null,
+                $workedThisDay ? $this->toExcelTime(Carbon::createFromTime(static::END_HOUR)) : null,
                 $workedThisDay ? static::HOURS_PER_DAY : null,
             ];
 
diff --git a/config/excel.php b/config/excel.php
index d27a443..216664a 100644
--- a/config/excel.php
+++ b/config/excel.php
@@ -2,6 +2,7 @@
 
 declare(strict_types=1);
 
+use Maatwebsite\Excel\DefaultValueBinder;
 use Maatwebsite\Excel\Excel;
 
 return [
@@ -75,7 +76,7 @@ return [
         "pdf" => Excel::DOMPDF,
     ],
     "value_binder" => [
-        "default" => Maatwebsite\Excel\DefaultValueBinder::class,
+        "default" => DefaultValueBinder::class,
     ],
 
     "cache" => [
diff --git a/resources/js/Pages/Calendar.vue b/resources/js/Pages/Calendar.vue
index 7c31aaa..1a8e095 100644
--- a/resources/js/Pages/Calendar.vue
+++ b/resources/js/Pages/Calendar.vue
@@ -9,7 +9,7 @@
       </div>
       <div>
         <a
-          :href="`timesheet/${selectedMonth.value}`"
+          :href="`/timesheet/${selectedMonth.value}`"
           class="inline-flex items-center px-4 py-3 border border-transparent text-sm leading-4 font-medium rounded-md shadow-sm text-white bg-blumilk-600 hover:bg-blumilk-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-blumilk-500"
         >
           Pobierz plik excel