diff --git a/htdocs/core/modules/expedition/doc/pdf_espadon.modules.php b/htdocs/core/modules/expedition/doc/pdf_espadon.modules.php
index c232edbe81c..69b6059e622 100644
--- a/htdocs/core/modules/expedition/doc/pdf_espadon.modules.php
+++ b/htdocs/core/modules/expedition/doc/pdf_espadon.modules.php
@@ -364,7 +364,11 @@ class pdf_espadon extends ModelePdfExpedition
 					$tab_top_alt = $tab_top;
 
 					$pdf->SetFont('', 'B', $default_font_size - 2);
-					$pdf->writeHTMLCell(60, 4, $this->posxdesc - 1, $tab_top - 1, $outputlangs->transnoentities("TrackingNumber")." : ".$object->tracking_number, 0, 1, false, true, 'L');
+					if(!empty($object->tracking_number)) {
+						$pdf->writeHTMLCell(60, 4, $this->posxdesc - 1, $tab_top - 1, $outputlangs->transnoentities("TrackingNumber")." : ".$object->tracking_number, 0, 1, false, true, 'L');
+					} else {
+						$pdf->writeHTMLCell(60, 4, $this->posxdesc - 1, $tab_top - 5, '', 0, 1, false, true, 'L');
+					}
 
 					$tab_top_alt = $pdf->GetY();
 					//$tab_top_alt += 1;