diff --git a/htdocs/core/lib/pdf.lib.php b/htdocs/core/lib/pdf.lib.php
index 709d6e5d404..ff0350a9552 100644
--- a/htdocs/core/lib/pdf.lib.php
+++ b/htdocs/core/lib/pdf.lib.php
@@ -1490,12 +1490,12 @@ function pdf_getlinedesc($object, $i, $outputlangs, $hideref = 0, $hidedesc = 0,
 		if ($desc == '(CREDIT_NOTE)' && $object->lines[$i]->fk_remise_except) {
 			$discount = new DiscountAbsolute($db);
 			$discount->fetch($object->lines[$i]->fk_remise_except);
-			$sourceref = !empty($discount->discount_type) ? $discount->ref_invoive_supplier_source : $discount->ref_facture_source;
+			$sourceref = !empty($discount->discount_type) ? $discount->ref_invoice_supplier_source : $discount->ref_facture_source;
 			$libelleproduitservice = $outputlangs->transnoentitiesnoconv("DiscountFromCreditNote", $sourceref);
 		} elseif ($desc == '(DEPOSIT)' && $object->lines[$i]->fk_remise_except) {
 			$discount = new DiscountAbsolute($db);
 			$discount->fetch($object->lines[$i]->fk_remise_except);
-			$sourceref = !empty($discount->discount_type) ? $discount->ref_invoive_supplier_source : $discount->ref_facture_source;
+			$sourceref = !empty($discount->discount_type) ? $discount->ref_invoice_supplier_source : $discount->ref_facture_source;
 			$libelleproduitservice = $outputlangs->transnoentitiesnoconv("DiscountFromDeposit", $sourceref);
 			// Add date of deposit
 			if (!empty($conf->global->INVOICE_ADD_DEPOSIT_DATE)) {