diff --git a/Layout/default/Emailtemplates/order/exernal_product_nbe_billing.php b/Layout/default/Emailtemplates/order/exernal_product_nbe_billing.php
index 17dca7f5b..e13d3f868 100644
--- a/Layout/default/Emailtemplates/order/exernal_product_nbe_billing.php
+++ b/Layout/default/Emailtemplates/order/exernal_product_nbe_billing.php
@@ -28,7 +28,7 @@
     $subject .= $order->terminations[0]->building->network->name." - ";
   }
   
-  $subject .= ($order->owner->customer_number) ? $order->owner->customer_number." - " : ""
+  $subject .= (($order->owner->customer_number) ? $order->owner->customer_number." - " : "")
               .str_replace("\n", "", str_replace("\r\n", " ", $order->owner->getCompanyOrName()));
   
   $this->setReturnValue([