diff --git a/application/Cpeprovisioning/CpeprovisioningController.php b/application/Cpeprovisioning/CpeprovisioningController.php
index a64f6a42c..e93af1803 100644
--- a/application/Cpeprovisioning/CpeprovisioningController.php
+++ b/application/Cpeprovisioning/CpeprovisioningController.php
@@ -60,18 +60,18 @@ class CpeprovisioningController extends mfBaseController
                     continue;
                 }
             }
-            
+
             if(array_key_exists($order->id, $orderproductsprefetch)) {
               foreach ($orderproductsprefetch[$order->id] as $orderproduct) {
                   if(!$orderproduct) continue;
                   if(!is_array($orderproduct)) continue;
-                  
+
                   if ($orderproduct['routerconfig_finished'] == 1) {
                       if (!$filter['routerconfig_finished']) continue;
                   } else {
                       if ($filter['routerconfig_finished']) continue;
                   }
-                  
+
 
                   $productattributes = $orderproduct['attributes'];
 
@@ -570,7 +570,7 @@ class CpeprovisioningController extends mfBaseController
             'firstline' => $order->owner->getCompanyOrName(),
             'secondline' => $order->owner->street,
             'thirdline' => $order->owner->zip . " " . $order->owner->city,
-            'fourthline' => $order->owner->customer_number
+            'fourthline' => $order->owner->customer_number ?? $order->partner_number
         ];
 
         $pdf = new PdfForm("Cpeprovisioning/PDF_MAIN", $pdf_vars);
@@ -584,4 +584,4 @@ class CpeprovisioningController extends mfBaseController
     }
 
 
-}
\ No newline at end of file
+}