diff --git a/app/Repositories/Shop/InvoicePDF.php b/app/Repositories/Shop/InvoicePDF.php
index da6e2404..b66685a6 100644
--- a/app/Repositories/Shop/InvoicePDF.php
+++ b/app/Repositories/Shop/InvoicePDF.php
@@ -17,12 +17,15 @@ class InvoicePDF
     public static function get($id)
     {
         $invoice = Invoices::getFull($id);
+        $customFields = [];
+        if ($orderRef = optional($invoice->order)->ref) {
+            $customFields['order number'] = $orderRef;
+        }
+
         $customer = new Party([
-            'name' => $invoice->customer->name,
+            'name' => optional($invoice->customer)->name ?? __('Client inconnu'),
             'address' => self::makeAddress($invoice->address),
-            'custom_fields' => [
-                'order number' => $invoice->order->ref,
-            ],
+            'custom_fields' => $customFields,
         ]);
 
         $items = self::makeItems($invoice->order->detail);
@@ -48,7 +51,17 @@ class InvoicePDF
 
     public static function makeAddress($address)
     {
-        return $address->address.'<br>'.$address->zipcode.' '.$address->city;
+        if (! $address) {
+            return '';
+        }
+
+        $lines = array_filter([
+            $address->address ?? '',
+            $address->address2 ?? '',
+            trim(($address->zipcode ?? '').' '.($address->city ?? '')),
+        ]);
+
+        return implode('<br>', $lines);
     }
 
     public static function makeItems($details)