diff --git a/app/Http/Requests/Setting/Setting.php b/app/Http/Requests/Setting/Setting.php
index c87881d20..a6457c091 100644
--- a/app/Http/Requests/Setting/Setting.php
+++ b/app/Http/Requests/Setting/Setting.php
@@ -45,6 +45,10 @@ class Setting extends FormRequest
             $rules['number_digit'] = 'required|integer|min:1|max:20';
         }
 
+        if ($this->request->has('number_next')) {
+            $rules['number_next'] = 'required|integer';
+        }
+
         return $rules;
     }
 
diff --git a/resources/views/settings/invoice/edit.blade.php b/resources/views/settings/invoice/edit.blade.php
index 2f97d2586..d27bb23f1 100644
--- a/resources/views/settings/invoice/edit.blade.php
+++ b/resources/views/settings/invoice/edit.blade.php
@@ -14,9 +14,9 @@
                     <x-slot name="body">
                         <x-form.group.text name="number_prefix" label="{{ trans('settings.invoice.prefix') }}"  value="{{ setting('invoice.number_prefix') }}" not-required />
 
-                        <x-form.group.number_digit  :clearable="'false'" not-required />
+                        <x-form.group.number_digit :clearable="'false'" not-required />
 
-                        <x-form.group.text name="number_next" label="{{ trans('settings.invoice.next') }}" value="{{ setting('invoice.number_next') }}" not-required />
+                        <x-form.group.number name="number_next" label="{{ trans('settings.invoice.next') }}" value="{{ setting('invoice.number_next') }}" not-required />
 
                         <x-form.group.select name="payment_terms" label="{{ trans('settings.invoice.payment_terms') }}" :options="$payment_terms" :clearable="'false'" :selected="setting('invoice.payment_terms')" not-required />
                     </x-slot>