diff --git a/app/Http/Requests/Admin/HR/LeaveRequestRequest.php b/app/Http/Requests/Admin/HR/LeaveRequestRequest.php
index fb876c0..5786af7 100644
--- a/app/Http/Requests/Admin/HR/LeaveRequestRequest.php
+++ b/app/Http/Requests/Admin/HR/LeaveRequestRequest.php
@@ -2,6 +2,7 @@
 
 namespace App\Http\Requests\Admin\HR;
 
+use App\Enums\LeaveRequestStatus;
 use App\Models\LeaveRequest;
 use Illuminate\Foundation\Http\FormRequest;
 
@@ -31,7 +32,7 @@ function ($attribute, $value, $fail) use ($leaveRequest) {
 
                     $query = LeaveRequest::where('employee_id', $employee->id)
                         ->where('start_date', $value)
-                        ->where('status', '!=', LeaveRequest::cancelled());
+                        ->where('status', '!=', LeaveRequestStatus::CANCELLED);
 
                     if ($leaveRequest) {
                         $query->where('id', '!=', $leaveRequest->id);