diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index c581de29ee9..2fce0a684b8 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -1645,7 +1645,7 @@ abstract class CommonObject
 
         $sourceid = (! empty($sourceid) ? $sourceid : $this->id);
         $targetid = (! empty($targetid) ? $targetid : $this->id);
-        $sourcetype = (! empty($sourcetype) ? $sourcetype : (! empty($this->origin) ? $this->origin : $this->element));
+        $sourcetype = (! empty($sourcetype) ? $sourcetype : $this->element);
         $targettype = (! empty($targettype) ? $targettype : $this->element);
 
         // Links beetween objects are stored in this table
diff --git a/htdocs/core/lib/sendings.lib.php b/htdocs/core/lib/sendings.lib.php
index 1a14077c8b6..4003db49467 100644
--- a/htdocs/core/lib/sendings.lib.php
+++ b/htdocs/core/lib/sendings.lib.php
@@ -45,12 +45,17 @@ function shipping_prepare_head($object)
 	$head[$h][2] = 'shipping';
 	$h++;
 
-	if ($conf->livraison_bon->enabled && $user->rights->expedition->livraison->lire && ! empty($object->linkedObjectsIds['delivery'][0]))
+	if ($conf->livraison_bon->enabled && $user->rights->expedition->livraison->lire)
 	{
-		$head[$h][0] = DOL_URL_ROOT."/livraison/fiche.php?id=".$object->linkedObjectsIds['delivery'][0];
-		$head[$h][1] = $langs->trans("DeliveryCard");
-		$head[$h][2] = 'delivery';
-		$h++;
+		// delivery link
+		$object->fetchObjectLinked($object->id,$object->element);
+		if (! empty($object->linkedObjectsIds['delivery'][0]))
+		{
+			$head[$h][0] = DOL_URL_ROOT."/livraison/fiche.php?id=".$object->linkedObjectsIds['delivery'][0];
+			$head[$h][1] = $langs->trans("DeliveryCard");
+			$head[$h][2] = 'delivery';
+			$h++;
+		}
 	}
 
 	$head[$h][0] = DOL_URL_ROOT."/expedition/contact.php?id=".$object->id;
diff --git a/htdocs/expedition/fiche.php b/htdocs/expedition/fiche.php
index 5d3903e5471..dc178c8fa25 100644
--- a/htdocs/expedition/fiche.php
+++ b/htdocs/expedition/fiche.php
@@ -867,9 +867,6 @@ else
             $soc = new Societe($db);
             $soc->fetch($object->socid);
 
-            // delivery link
-            $object->fetchObjectLinked($object->id,$object->element,-1,-1);
-
             $head=shipping_prepare_head($object);
             dol_fiche_head($head, 'shipping', $langs->trans("Sending"), 0, 'sending');
 
diff --git a/htdocs/expedition/index.php b/htdocs/expedition/index.php
index 619e48405f7..5c6baed4e4d 100644
--- a/htdocs/expedition/index.php
+++ b/htdocs/expedition/index.php
@@ -226,8 +226,8 @@ $sql = "SELECT e.rowid, e.ref";
 $sql.= ", s.nom, s.rowid as socid";
 $sql.= ", c.ref as commande_ref, c.rowid as commande_id";
 $sql.= " FROM ".MAIN_DB_PREFIX."expedition as e";
-$sql.= " LEFT JOIN ".MAIN_DB_PREFIX."element_element as el ON e.rowid = el.fk_target AND el.sourcetype IN ('commande')";
-$sql.= " LEFT JOIN ".MAIN_DB_PREFIX."commande as c ON el.fk_source = c.rowid AND el.targettype IN ('shipping')";
+$sql.= " LEFT JOIN ".MAIN_DB_PREFIX."element_element as el ON e.rowid = el.fk_target AND el.targettype = 'shipping' AND el.sourcetype IN ('commande')";
+$sql.= " LEFT JOIN ".MAIN_DB_PREFIX."commande as c ON el.fk_source = c.rowid AND el.sourcetype IN ('commande') AND el.targettype = 'shipping'";
 $sql.= " LEFT JOIN ".MAIN_DB_PREFIX."societe as s ON s.rowid = e.fk_soc";
 if (! $user->rights->societe->client->voir && ! $socid) $sql.= " LEFT JOIN ".MAIN_DB_PREFIX."societe_commerciaux as sc ON e.fk_soc = sc.fk_soc";
 $sql.= " WHERE e.entity = ".$conf->entity;
diff --git a/htdocs/livraison/class/livraison.class.php b/htdocs/livraison/class/livraison.class.php
index 5377fee4f97..5bd83c257aa 100644
--- a/htdocs/livraison/class/livraison.class.php
+++ b/htdocs/livraison/class/livraison.class.php
@@ -549,7 +549,7 @@ class Livraison extends CommonObject
 	{
         require_once(DOL_DOCUMENT_ROOT."/core/lib/files.lib.php");
 		$this->db->begin();
-		
+
 		$error=0;
 
 		$sql = "DELETE FROM ".MAIN_DB_PREFIX."livraisondet";
@@ -559,7 +559,7 @@ class Livraison extends CommonObject
 			// Delete linked object
 			$res = $this->deleteObjectLinked();
 			if ($res < 0) $error++;
-			
+
 			if (! $error)
 			{
 				$sql = "DELETE FROM ".MAIN_DB_PREFIX."livraison";
@@ -804,7 +804,7 @@ class Livraison extends CommonObject
 		global $langs;
 
 		// Get the linked object
-		$this->fetchObjectLinked(-1,-1,$this->id,$this->element);
+		$this->fetchObjectLinked('','',$this->id,$this->element);
 		//var_dump($this->linkedObjectIds);
 		// Get the product ref and qty in source
 		$sqlSourceLine = "SELECT st.rowid, st.description, st.qty";