diff --git a/code/app/Printers/Order.php b/code/app/Printers/Order.php
index 91cdfb57..a9c8998f 100644
--- a/code/app/Printers/Order.php
+++ b/code/app/Printers/Order.php
@@ -209,7 +209,7 @@ private function formatTableRows($order, $shipping_place, $status, $fields, &$al
         foreach($bookings as $booking) {
             $row = UserFormatter::format($booking->user, $fields->user_columns);
 			$subrow = $this->formatBookingInTable($order, $booking, $status, $all_products);
-			$row = array_merge($row, $subrow);
+			$row += $subrow;
 
             $price = $booking->getValue($get_total, true);
             $total_price += $price;