diff --git a/htdocs/fourn/facture/fiche.php b/htdocs/fourn/facture/fiche.php
index bdbd0b49b59..709ff7aff70 100644
--- a/htdocs/fourn/facture/fiche.php
+++ b/htdocs/fourn/facture/fiche.php
@@ -96,9 +96,16 @@ if ($_POST['action'] == 'confirm_delete' && $_POST['confirm'] == 'yes')
 	{
 		$facturefourn = new FactureFournisseur($db);
 		$factfournid = $_GET['facid'];
-		$facturefourn->delete($factfournid);
-		Header('Location: index.php');
-		exit;
+		$result=$facturefourn->delete($factfournid);
+		if ($result > 0)
+		{
+			Header('Location: index.php');
+			exit;
+		}
+		else
+		{
+			$mesg='<div class="error">'.$facturefourn->error.'</div>';
+		}
 	}
 }
 
diff --git a/htdocs/fourn/fournisseur.facture.class.php b/htdocs/fourn/fournisseur.facture.class.php
index 9051c50efd3..dc1e1c97ad3 100644
--- a/htdocs/fourn/fournisseur.facture.class.php
+++ b/htdocs/fourn/fournisseur.facture.class.php
@@ -333,20 +333,21 @@ class FactureFournisseur extends Facture
 	}
 
 	/**
-	 * \brief     Supprime la facture
-	 * \param     rowid      id de la facture � supprimer
+	 * \brief     	Delete invoice in database
+	 * \param     	rowid      	Id of invoice to delete
+	 * \return		int			<0 if KO, >0 if OK
 	 */
 	function delete($rowid)
 	{
 		$this->db->begin();
 
 		$sql = 'DELETE FROM '.MAIN_DB_PREFIX.'facture_fourn_det WHERE fk_facture_fourn = '.$rowid.';';
-		dolibarr_syslog("FactureFournisseur sql=".$sql);
+		dolibarr_syslog("FactureFournisseur sql=".$sql, LOG_DEBUG);
 		$resql = $this->db->query($sql);
 		if ($resql)
 		{
-				$sql = 'DELETE FROM '.MAIN_DB_PREFIX.'facture_fourn WHERE rowid = '.$rowid.' AND fk_statut = 0';
-				dolibarr_syslog("FactureFournisseur sql=".$sql);
+				$sql = 'DELETE FROM '.MAIN_DB_PREFIX.'facture_fourn WHERE rowid = '.$rowid;
+				dolibarr_syslog("FactureFournisseur sql=".$sql, LOG_DEBUG);
 				$resql2 = $this->db->query($sql);
 				if ($resql2)
 				{
@@ -357,14 +358,16 @@ class FactureFournisseur extends Facture
 				{
 					$this->db->rollback();
 					$this->error=$this->db->lasterror();
-					dolibarr_syslog("FactureFournisseur::delete ".$this->error);
+					dolibarr_syslog("FactureFournisseur::delete ".$this->error, LOG_ERR);
+					return -1;
 				}
 		}
 		else
 		{
 			$this->db->rollback();
 			$this->error=$this->db->lasterror();
-			dolibarr_syslog("FactureFournisseur::delete ".$this->error);
+			dolibarr_syslog("FactureFournisseur::delete ".$this->error, LOG_ERR);
+			return -1;
 		}
 	}
 
diff --git a/htdocs/propal.class.php b/htdocs/propal.class.php
index f92b7a561dd..6d7fc2802b1 100644
--- a/htdocs/propal.class.php
+++ b/htdocs/propal.class.php
@@ -844,7 +844,7 @@ class Propal extends CommonObject
 		else
 		{
 			$this->error=$this->db->error();
-			dolibarr_syslog("Propal::Fetch Error ".$this->error, LOG_ERROR);
+			dolibarr_syslog("Propal::Fetch Error ".$this->error, LOG_ERR);
 			return -1;
 		}
 	}