diff --git a/app/Helpers/date_time.php b/app/Helpers/date_time.php
index 19963b7..d25765f 100644
--- a/app/Helpers/date_time.php
+++ b/app/Helpers/date_time.php
@@ -17,7 +17,7 @@ function formatDate($date)
     throw new App\Exceptions\InvalidDateException('Invalid date format.');
 }
 
-function dateId($date)
+function date_id($date)
 {
     if (is_null($date) || $date == '0000-00-00') {
         return '-';
diff --git a/resources/views/reports/sales/daily.blade.php b/resources/views/reports/sales/daily.blade.php
index 8e78524..88da42c 100755
--- a/resources/views/reports/sales/daily.blade.php
+++ b/resources/views/reports/sales/daily.blade.php
@@ -1,6 +1,6 @@
 @extends('layouts.app')
 
-@section('title', __('report.daily', ['date' => dateId($date)]))
+@section('title', __('report.daily', ['date' => date_id($date)]))
 
 @section('content')
 
@@ -31,7 +31,7 @@
             @forelse($transactions as $key => $transaction)
             <tr>
                 <td class="text-center">{{ 1 + $key }}</td>
-                <td class="text-center">{{ dateId($transaction->created_at->format('Y-m-d')) }}</td>
+                <td class="text-center">{{ date_id($transaction->created_at->format('Y-m-d')) }}</td>
                 <td class="text-right">{{ format_rp($transaction->total) }}</td>
                 <td class="text-center">
                     {{ link_to_route(
diff --git a/resources/views/reports/sales/monthly.blade.php b/resources/views/reports/sales/monthly.blade.php
index 5902bb1..b8a7212 100755
--- a/resources/views/reports/sales/monthly.blade.php
+++ b/resources/views/reports/sales/monthly.blade.php
@@ -42,7 +42,7 @@
                 @endphp
                 @if ($any)
                     <tr>
-                        <td class="text-center">{{ dateId($date = $year.'-'.$month.'-'.$dateNumber) }}</td>
+                        <td class="text-center">{{ date_id($date = $year.'-'.$month.'-'.$dateNumber) }}</td>
                         <td class="text-center">{{ $count }}</td>
                         <td class="text-right">{{ format_rp($subtotal) }}</td>
                         <td class="text-center">
@@ -52,7 +52,7 @@
                                 ['date' => $date],
                                 [
                                     'class' => 'btn btn-info btn-xs',
-                                    'title' => __('report.daily', ['date' => dateId($date)]),
+                                    'title' => __('report.daily', ['date' => date_id($date)]),
                                 ]
                             ) }}
                         </td>