diff --git a/classes/PDF.php b/classes/PDF.php
index 2c3c614e..b8f69f1b 100755
--- a/classes/PDF.php
+++ b/classes/PDF.php
@@ -1180,8 +1180,8 @@ class PDFCore extends PDF_PageGroupCore
 					}
 
 					$this->Cell($w[++$i], $lineSize, (int)($product['customizationQuantityTotal']), 'B', 0, 'C');
-					if (!$delivery) {
-						$this->Cell($w[++$i], $lineSize, (self::$orderSlip ? '-' : '').self::convertSign(Tools::displayPrice($unit_price * (int)($product['customizationQuantityTotal']), self::$currency, true)), 'B', 0, 'R');
+					if (!$delivery && isset($w[++$i])) {
+						$this->Cell($w[$i], $lineSize, (self::$orderSlip ? '-' : '').self::convertSign(Tools::displayPrice($unit_price * (int)($product['customizationQuantityTotal']), self::$currency, true)), 'B', 0, 'R');
 					}
 
 					$this->Ln();