diff --git a/htdocs/expensereport/class/expensereportline.class.php b/htdocs/expensereport/class/expensereportline.class.php
index 52f3ce88190..0402ebff545 100644
--- a/htdocs/expensereport/class/expensereportline.class.php
+++ b/htdocs/expensereport/class/expensereportline.class.php
@@ -268,7 +268,7 @@ class ExpenseReportLine extends CommonObjectLine
 
 			$this->rowid = $objp->rowid;
 			$this->id = $objp->rowid;
-			$this->ref = $objp->ref;
+			//$this->ref = $objp->ref; Undefined property
 			$this->fk_expensereport = $objp->fk_expensereport;
 			$this->comments = $objp->comments;
 			$this->qty = $objp->qty;