diff --git a/htdocs/expensereport/class/expensereport.class.php b/htdocs/expensereport/class/expensereport.class.php
index cc32f08b0ac..83038074695 100644
--- a/htdocs/expensereport/class/expensereport.class.php
+++ b/htdocs/expensereport/class/expensereport.class.php
@@ -1741,6 +1741,7 @@ class ExpenseReportLine
         // Clean parameters
         $this->comments=trim($this->comments);
         $this->vatrate = price2num($this->vatrate);
+        $this->value_unit = price2num($this->value_unit);
 
         $this->db->begin();