From 5bac6a92e66b2893e30aee4ec9e6d8416d2f9b70 Mon Sep 17 00:00:00 2001
From: Abbes Bahfir <bafbes@gmail.com>
Date: Tue, 23 Oct 2018 00:00:05 +0100
Subject: [PATCH] Fix:empty value instead of 0 for empty links

---
 htdocs/core/class/commonobject.class.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index 2650c48b573..197f61735c3 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -6219,6 +6219,7 @@ abstract class CommonObject
 					return 'Error bad setup of extrafield';
 				}
 			}
+			else $value='';
 		}
 		elseif ($type == 'text' || $type == 'html')
 		{