diff --git a/htdocs/expensereport/class/expensereport.class.php b/htdocs/expensereport/class/expensereport.class.php
index cc32f08b0ac..b4ea91f85b6 100644
--- a/htdocs/expensereport/class/expensereport.class.php
+++ b/htdocs/expensereport/class/expensereport.class.php
@@ -1747,7 +1747,7 @@ class ExpenseReportLine
         // Mise a jour ligne en base
         $sql = "UPDATE ".MAIN_DB_PREFIX."expensereport_det SET";
         $sql.= " comments='".$this->db->escape($this->comments)."'";
-        $sql.= ",value_unit=".$this->value_unit."";
+        $sql.= ",value_unit=".price2num($this->value_unit)."";
         $sql.= ",qty=".$this->qty."";
         $sql.= ",date='".$this->db->idate($this->date)."'";
         $sql.= ",total_ht=".$this->total_ht."";