diff --git a/app/Http/Controllers/PreviewController.php b/app/Http/Controllers/PreviewController.php
index 08537427a5d5..a23465d688d1 100644
--- a/app/Http/Controllers/PreviewController.php
+++ b/app/Http/Controllers/PreviewController.php
@@ -29,6 +29,7 @@ use App\Utils\HostedPDF\NinjaPdf;
 use App\Utils\HtmlEngine;
 use App\Utils\Ninja;
 use App\Utils\PhantomJS\Phantom;
+use App\Utils\Traits\GeneratesCounter;
 use App\Utils\Traits\MakesHash;
 use App\Utils\Traits\MakesInvoiceHtml;
 use App\Utils\Traits\Pdf\PageNumbering;
@@ -40,6 +41,7 @@ use Twig\Error\SyntaxError;
 
 class PreviewController extends BaseController
 {
+    use GeneratesCounter;
     use MakesHash;
     use MakesInvoiceHtml;
     use PageNumbering;
@@ -404,23 +406,24 @@ class PreviewController extends BaseController
 
             /** @var \App\Models\Client $client */
             $client = Client::factory()->create([
-                'user_id' => auth()->user()->id,
+                'user_id' => $user->id,
                 'company_id' => $company->id,
             ]);
 
             /** @var \App\Models\ClientContact $contact */
             $contact = ClientContact::factory()->create([
-                'user_id' => auth()->user()->id,
+                'user_id' => $user->id,
                 'company_id' => $company->id,
                 'client_id' => $client->id,
                 'is_primary' => 1,
                 'send_email' => true,
             ]);
 
-            /** @var \App\Models\Invoice $invoice */
+            $settings = $company->settings;
 
+            /** @var \App\Models\Invoice $invoice */
             $invoice = Invoice::factory()->create([
-                'user_id' => auth()->user()->id,
+                'user_id' => $user->id,
                 'company_id' => $company->id,
                 'client_id' => $client->id,
                 'terms' => $company->settings->invoice_terms,
@@ -428,8 +431,18 @@ class PreviewController extends BaseController
                 'public_notes' => 'Sample Public Notes',
             ]);
 
+            if ($settings->invoice_number_pattern) {
+                $invoice->number = $this->getFormattedEntityNumber(
+                    $invoice,
+                    rand(1, 9999),
+                    $settings->counter_padding ?: 4,
+                    $settings->invoice_number_pattern,
+                );
+                $invoice->save();
+            }
+
             $invitation = InvoiceInvitation::factory()->create([
-                'user_id' => auth()->user()->id,
+                'user_id' => $user->id,
                 'company_id' => $company->id,
                 'invoice_id' => $invoice->id,
                 'client_contact_id' => $contact->id,
@@ -454,7 +467,7 @@ class PreviewController extends BaseController
                 'template' => $design->elements([
                     'client' => $invoice->client,
                     'entity' => $invoice,
-                    'pdf_variables' => (array) $invoice->company->settings->pdf_variables,
+                    'pdf_variables' => (array) $settings->pdf_variables,
                     'products' => request()->design['design']['product'],
                 ]),
                 'variables' => $html->generateLabelsAndValues(),