diff --git a/htdocs/core/modules/facture/doc/pdf_crabe.modules.php b/htdocs/core/modules/facture/doc/pdf_crabe.modules.php
index cdff9317446..2d5a27bb3df 100644
--- a/htdocs/core/modules/facture/doc/pdf_crabe.modules.php
+++ b/htdocs/core/modules/facture/doc/pdf_crabe.modules.php
@@ -1566,7 +1566,7 @@ class pdf_crabe extends ModelePDFFactures
 		if ($object->type == 1) $title=$outputlangs->transnoentities("InvoiceReplacement");
 		if ($object->type == 2) $title=$outputlangs->transnoentities("InvoiceAvoir");
 		if ($object->type == 3) $title=$outputlangs->transnoentities("InvoiceDeposit");
-		if ($object->type == 4) $title=$outputlangs->transnoentities("InvoiceProFormat");
+		if ($object->type == 4) $title=$outputlangs->transnoentities("InvoiceProForma");
 		if ($this->situationinvoice) $title=$outputlangs->transnoentities("InvoiceSituation");
 		$pdf->MultiCell($w, 3, $title, '', 'R');