diff --git a/htdocs/expensereport/class/expensereport_rule.class.php b/htdocs/expensereport/class/expensereport_rule.class.php
index 02bf8b8ce5c..d695359229d 100644
--- a/htdocs/expensereport/class/expensereport_rule.class.php
+++ b/htdocs/expensereport/class/expensereport_rule.class.php
@@ -171,6 +171,19 @@ class ExpenseReportRule extends CommonObject
 	}
 
 
+	/**
+	 * Load object lines in memory from the database
+	 *
+	 * @return int         <0 if KO, 0 if not found, >0 if OK
+	 */
+	public function fetchLines()
+	{
+		$this->lines = array();
+
+		$result = $this->fetchLinesCommon();
+		return $result;
+	}
+
 	/**
 	 * Update object into database
 	 *