diff --git a/htdocs/accountancy/journal/purchasesjournal.php b/htdocs/accountancy/journal/purchasesjournal.php
index 0c782c024a1..e8af356a245 100644
--- a/htdocs/accountancy/journal/purchasesjournal.php
+++ b/htdocs/accountancy/journal/purchasesjournal.php
@@ -250,14 +250,14 @@ if ($action == 'writebookkeeping') {
 
 		// Is it a replaced invoice ? 0=not a replaced invoice, 1=replaced invoice not yet dispatched, 2=replaced invoice dispatched
 		$replacedinvoice = 0;
-		if ($invoicestatic->close_code == 'replaced')
+		if ($invoicestatic->close_code == FactureFournisseur::CLOSECODE_REPLACED)
 		{
 			$replacedinvoice = 1;
 			$alreadydispatched = $invoicestatic->getVentilExportCompta();	// Test if replaced invoice already into bookkeeping.
 			if ($alreadydispatched) $replacedinvoice = 2;
 		}
 
-		// If not already into bookkeeping, we won't add it, if yes, we will also add the counterpart.
+		// If not already into bookkeeping, we won't add it, if yes, add the counterpart ???.
 		if ($replacedinvoice == 1)
 		{
 			continue;
@@ -560,14 +560,14 @@ if ($action == 'exportcsv') {
 
 		// Is it a replaced invoice ? 0=not a replaced invoice, 1=replaced invoice not yet dispatched, 2=replaced invoice dispatched
 		$replacedinvoice = 0;
-		if ($invoicestatic->close_code == 'replaced')
+		if ($invoicestatic->close_code == FactureFournisseur::CLOSECODE_REPLACED)
 		{
 			$replacedinvoice = 1;
 			$alreadydispatched = $invoicestatic->getVentilExportCompta();	// Test if replaced invoice already into bookkeeping.
 			if ($alreadydispatched) $replacedinvoice = 2;
 		}
 
-		// If not already into bookkeeping, we won't add it, if yes, we will also add the counterpart.
+		// If not already into bookkeeping, we won't add it, if yes, add the counterpart ???.
 		if ($replacedinvoice == 1)
 		{
 			continue;
@@ -760,14 +760,14 @@ if (empty($action) || $action == 'view') {
 
 		// Is it a replaced invoice ? 0=not a replaced invoice, 1=replaced invoice not yet dispatched, 2=replaced invoice dispatched
 		$replacedinvoice = 0;
-		if ($invoicestatic->close_code == 'replaced')
+		if ($invoicestatic->close_code == FactureFournisseur::CLOSECODE_REPLACED)
 		{
 			$replacedinvoice = 1;
 			$alreadydispatched = $invoicestatic->getVentilExportCompta();	// Test if replaced invoice already into bookkeeping.
 			if ($alreadydispatched) $replacedinvoice = 2;
 		}
 
-		// If no, we won't add it, if yes, we will also add the counterpart.
+		// If not already into bookkeeping, we won't add it, if yes, add the counterpart ???.
 		if ($replacedinvoice == 1)
 		{
 			print '<tr class="oddeven">';
diff --git a/htdocs/accountancy/journal/sellsjournal.php b/htdocs/accountancy/journal/sellsjournal.php
index 2a235cbe5d3..128c6be1471 100644
--- a/htdocs/accountancy/journal/sellsjournal.php
+++ b/htdocs/accountancy/journal/sellsjournal.php
@@ -252,14 +252,14 @@ if ($action == 'writebookkeeping') {
 
 		// Is it a replaced invoice ? 0=not a replaced invoice, 1=replaced invoice not yet dispatched, 2=replaced invoice dispatched
 		$replacedinvoice = 0;
-		if ($invoicestatic->close_code == 'replaced')
+		if ($invoicestatic->close_code == Facture::CLOSECODE_REPLACED)
 		{
 			$replacedinvoice = 1;
 			$alreadydispatched = $invoicestatic->getVentilExportCompta();	// Test if replaced invoice already into bookkeeping.
 			if ($alreadydispatched) $replacedinvoice = 2;
 		}
 
-		// If not already into bookkeeping, we won't add it, if yes, we will also add the counterpart.
+		// If not already into bookkeeping, we won't add it, if yes, add the counterpart ???.
 		if ($replacedinvoice == 1)
 		{
 			continue;
@@ -515,14 +515,14 @@ if ($action == 'exportcsv') {
 
 		// Is it a replaced invoice ? 0=not a replaced invoice, 1=replaced invoice not yet dispatched, 2=replaced invoice dispatched
 		$replacedinvoice = 0;
-		if ($invoicestatic->close_code == 'replaced')
+		if ($invoicestatic->close_code == Facture::CLOSECODE_REPLACED)
 		{
 			$replacedinvoice = 1;
 			$alreadydispatched = $invoicestatic->getVentilExportCompta();	// Test if replaced invoice already into bookkeeping.
 			if ($alreadydispatched) $replacedinvoice = 2;
 		}
 
-		// If not already into bookkeeping, we won't add it, if yes, we will also add the counterpart.
+		// If not already into bookkeeping, we won't add it, if yes, add the counterpart ???.
 		if ($replacedinvoice == 1)
 		{
 			continue;
@@ -692,14 +692,14 @@ if (empty($action) || $action == 'view') {
 
 		// Is it a replaced invoice ? 0=not a replaced invoice, 1=replaced invoice not yet dispatched, 2=replaced invoice dispatched
 		$replacedinvoice = 0;
-		if ($invoicestatic->close_code == 'replaced')
+		if ($invoicestatic->close_code == Facture::CLOSECODE_REPLACED)
 		{
 			$replacedinvoice = 1;
 			$alreadydispatched = $invoicestatic->getVentilExportCompta();	// Test if replaced invoice already into bookkeeping.
 			if ($alreadydispatched) $replacedinvoice = 2;
 		}
 
-		// If not already into bookkeeping, we won't add it, if yes, we will also add the counterpart.
+		// If not already into bookkeeping, we won't add it, if yes, add the counterpart ???.
 		if ($replacedinvoice == 1)
 		{
 			print '<tr class="oddeven">';
diff --git a/htdocs/compta/facture/class/facture.class.php b/htdocs/compta/facture/class/facture.class.php
index f1d8c5d1a46..1891989a44a 100644
--- a/htdocs/compta/facture/class/facture.class.php
+++ b/htdocs/compta/facture/class/facture.class.php
@@ -2053,11 +2053,11 @@ class Facture extends CommonInvoice
 	 *  of no payment even if merchandises were sent).
 	 *
 	 *	@param	User	$user        	Object user making change
-	 *	@param	string	$close_code		Code de fermeture
+	 *	@param	string	$close_code		Code of closing invoice (CLOSECODE_REPLACED, CLOSECODE_...)
 	 *	@param	string	$close_note		Comment
 	 *	@return int         			<0 if KO, >0 if OK
 	 */
-	function set_canceled($user,$close_code='',$close_note='')
+	function set_canceled($user, $close_code='', $close_note='')
 	{
 
 		dol_syslog(get_class($this)."::set_canceled rowid=".$this->id, LOG_DEBUG);
@@ -2187,7 +2187,7 @@ class Facture extends CommonInvoice
 				return -12;
 			}
 
-			$result=$facreplaced->set_canceled($user,'replaced','');
+			$result=$facreplaced->set_canceled($user, self::CLOSECODE_REPLACED, '');
 			if ($result < 0)
 			{
 				$this->error=$facreplaced->error;