diff --git a/htdocs/core/modules/facture/doc/pdf_crabe.modules.php b/htdocs/core/modules/facture/doc/pdf_crabe.modules.php
index 9311361b745..e7d19d605f7 100644
--- a/htdocs/core/modules/facture/doc/pdf_crabe.modules.php
+++ b/htdocs/core/modules/facture/doc/pdf_crabe.modules.php
@@ -1655,7 +1655,7 @@ class pdf_crabe extends ModelePDFFactures
 				$posy+=3;
 				$pdf->SetXY($posx, $posy);
 				$pdf->SetTextColor(0, 0, 60);
-				$pdf->MultiCell($w, 3, $outputlangs->transnoentities("ProjectRef")." : " . (empty($object->project->ref)?'':$object->projet->title), '', 'R');
+				$pdf->MultiCell($w, 3, $outputlangs->transnoentities("ProjectRef")." : " . (empty($object->project->ref)?'':$object->projet->ref), '', 'R');
 			}
 		}