diff --git a/htdocs/compta/facture/card-rec.php b/htdocs/compta/facture/card-rec.php
index 4f754fbd173..11dec142a17 100644
--- a/htdocs/compta/facture/card-rec.php
+++ b/htdocs/compta/facture/card-rec.php
@@ -117,6 +117,8 @@ $usercancreatewithdrarequest = $user->rights->prelevement->bons->creer;
 
 $now = dol_now();
 
+$error = 0;
+
 
 /*
  * Actions
@@ -287,13 +289,21 @@ if (empty($reshook))
 	elseif ($action == 'setref' && $user->rights->facture->creer)
 	{
 		//var_dump(GETPOST('ref', 'alpha'));exit;
-		$result = $object->setValueFrom('titre', GETPOST('ref', 'alpha'), '', null, 'text', '', $user, 'BILLREC_MODIFY');
+		$result = $object->setValueFrom('titre', $ref, '', null, 'text', '', $user, 'BILLREC_MODIFY');
 		if ($result > 0)
 		{
 			$object->titre = GETPOST('ref', 'alpha'); // deprecated
 			$object->title = GETPOST('ref', 'alpha');
 			$object->ref = $object->title;
-		} else dol_print_error($db, $object->error, $object->errors);
+		} else {
+			$error++;
+			if ($object->error == 'DB_ERROR_RECORD_ALREADY_EXISTS') {
+				$langs->load("errors");
+				setEventMessages($langs->trans('ErrorRefAlreadyExists', $ref), null, 'errors');
+			} else {
+				setEventMessages($object->error, $object->errors, 'errors');
+			}
+		}
 	} // Set bank account
 	elseif ($action == 'setbankaccount' && $user->rights->facture->creer)
 	{
diff --git a/htdocs/compta/facture/card.php b/htdocs/compta/facture/card.php
index def74e173a3..110db6d8166 100644
--- a/htdocs/compta/facture/card.php
+++ b/htdocs/compta/facture/card.php
@@ -4074,7 +4074,7 @@ if ($action == 'create')
 	print $object->getLibType();
 	print '</span>';
 	if ($object->module_source) {
-		print ' <span class="opacitymediumbycolor paddingleft">('.$langs->trans("POS").' '.$object->module_source.' - '.$langs->trans("Terminal").' '.$object->pos_source.')</span>';
+		print ' <span class="opacitymediumbycolor paddingleft">('.$langs->trans("POS").' '.ucfirst($object->module_source).' - '.$langs->trans("Terminal").' '.$object->pos_source.')</span>';
 	}
 	if ($object->type == Facture::TYPE_REPLACEMENT) {
 		$facreplaced = new Facture($db);
diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index 243d4d57f7c..ec03bb66524 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -1817,7 +1817,11 @@ abstract class CommonObject
 				return -2;
 			}
 		} else {
-			$this->error = $this->db->lasterror();
+			if ($this->db->lasterrno() == 'DB_ERROR_RECORD_ALREADY_EXISTS') {
+				$this->error = 'DB_ERROR_RECORD_ALREADY_EXISTS';
+			} else {
+				$this->error = $this->db->lasterror();
+			}
 			$this->db->rollback();
 			return -1;
 		}
diff --git a/htdocs/langs/en_US/errors.lang b/htdocs/langs/en_US/errors.lang
index 255bce66531..2413e6d76ba 100644
--- a/htdocs/langs/en_US/errors.lang
+++ b/htdocs/langs/en_US/errors.lang
@@ -8,6 +8,7 @@ ErrorBadEMail=Email %s is wrong
 ErrorBadMXDomain=Email %s seems wrong (domain has no valid MX record)
 ErrorBadUrl=Url %s is wrong
 ErrorBadValueForParamNotAString=Bad value for your parameter. It appends generally when translation is missing.
+ErrorRefAlreadyExists=Reference <b>%s</b> already exists.
 ErrorLoginAlreadyExists=Login %s already exists.
 ErrorGroupAlreadyExists=Group %s already exists.
 ErrorRecordNotFound=Record not found.
diff --git a/htdocs/langs/fr_FR/errors.lang b/htdocs/langs/fr_FR/errors.lang
index 97d3e48f512..abd1c6ec9f9 100644
--- a/htdocs/langs/fr_FR/errors.lang
+++ b/htdocs/langs/fr_FR/errors.lang
@@ -7,6 +7,7 @@ ErrorButCommitIsDone=Erreurs trouvées mais on valide malgré tout
 ErrorBadEMail=email %s invalide
 ErrorBadUrl=Url %s invalide
 ErrorBadValueForParamNotAString=Mauvaise valeur de paramètre. Ceci arrive lors d'une tentative de traduction d'une clé non renseignée.
+ErrorRefAlreadyExists=La référence %s existe déjà.
 ErrorLoginAlreadyExists=L'identifiant %s existe déjà.
 ErrorGroupAlreadyExists=Le groupe %s existe déjà.
 ErrorRecordNotFound=Enregistrement non trouvé.