diff --git a/htdocs/expensereport/class/expensereport.class.php b/htdocs/expensereport/class/expensereport.class.php
index bc7e0f36baa..6ee3c8e19e7 100644
--- a/htdocs/expensereport/class/expensereport.class.php
+++ b/htdocs/expensereport/class/expensereport.class.php
@@ -2681,6 +2681,11 @@ class ExpenseReportLine extends CommonObjectLine
 	 */
 	public $db;
 
+	/**
+	 * @var string Name of table without prefix where object is stored
+	 */
+	public $table_element = 'expensereport_det';
+
 	/**
 	 * @var string Error code (or message)
 	 */