From dc7fcc009bfbdcb4e7624fce4475f41a85a0fefc Mon Sep 17 00:00:00 2001
From: Laurent Destailleur <eldy@destailleur.fr>
Date: Tue, 10 Jul 2018 10:56:45 +0200
Subject: [PATCH] Update propal.class.php

---
 htdocs/comm/propal/class/propal.class.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/htdocs/comm/propal/class/propal.class.php b/htdocs/comm/propal/class/propal.class.php
index eb2c41ac05d..44d7c7ea1b4 100644
--- a/htdocs/comm/propal/class/propal.class.php
+++ b/htdocs/comm/propal/class/propal.class.php
@@ -3939,7 +3939,7 @@ class PropaleLigne extends CommonObjectLine
 		$sql.= " ".price2num($this->localtax2_tx).",";
 		$sql.= " '".$this->db->escape($this->localtax1_type)."',";
 		$sql.= " '".$this->db->escape($this->localtax2_type)."',";
-		$sql.= " ".price2num($this->subprice).",";
+		$sql.= " ".(is_numeric($this->subprice)?price2num($this->subprice):"null").",";
 		$sql.= " ".price2num($this->remise_percent).",";
 		$sql.= " ".(isset($this->info_bits)?"'".$this->db->escape($this->info_bits)."'":"null").",";
 		$sql.= " ".price2num($this->total_ht).",";