diff --git a/htdocs/mrp/tpl/linkedobjectblock.tpl.php b/htdocs/mrp/tpl/linkedobjectblock.tpl.php
index 516e4eddf51..9374fc2e4d0 100644
--- a/htdocs/mrp/tpl/linkedobjectblock.tpl.php
+++ b/htdocs/mrp/tpl/linkedobjectblock.tpl.php
@@ -63,8 +63,18 @@ foreach ($TMoChilds as $key => $objectlink) {
 	echo '<td class="linkedcol-amount right">-</td>';
 	echo '<td class="linkedcol-statut right">'.$objectlink->getLibStatut(3).'</td>';
 	echo '<td class="linkedcol-action right">';
-	// For now, shipments must stay linked to order, so link is not deletable
-	echo '<a class="reposition" href="'.$_SERVER["PHP_SELF"].'?id='.$object->id.'&action=dellink&token='.newToken().'&dellinkid='.$key.'">'.img_picto($langs->transnoentitiesnoconv("RemoveLink"), 'unlink').'</a>';
+
+	// we want to make the link via element_element for delete action
+	$sql = " Select rowid from " . MAIN_DB_PREFIX . "element_element";
+	$sql .= " WHERE  fk_source = ". (int) $object->id . " and fk_target = '" . dol_escape_htmltag($key) ."'";
+
+	$resql = $db->query($sql);
+	$k = 0;
+	if ($resql) {
+		$obj = $db->fetch_object($resql);
+		if ($obj->rowid && $obj->rowid > 0 ) $k = $obj->rowid;
+	}
+	echo '<a class="reposition" href="' . $_SERVER["PHP_SELF"] . '?id=' . $object->id . '&action=dellink&token=' . newToken() . '&dellinkid=' . $k . '">' . img_picto($langs->transnoentitiesnoconv("RemoveLink"), 'unlink') . '</a>';
 	echo '</td>';
 	echo "</tr>\n";
 }