From b78771f8c4df90d955134ed20d14d65e67b0b04d Mon Sep 17 00:00:00 2001
From: Laurent Destailleur <eldy@destailleur.fr>
Date: Mon, 30 Aug 2021 18:56:52 +0200
Subject: [PATCH] Fix select empty value for thirdparties select combo

---
 htdocs/core/class/html.form.class.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index 4ff3dacb537..98807af1858 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -1413,7 +1413,7 @@ class Form
 				}
 			}
 			if ($showempty) {
-				$out .= '<option value="-1" data-html="'.dol_escape_htmltag('<span class="opacitymedium">'.$textifempty.'</span>').'">'.$textifempty.'</option>'."\n";
+				$out .= '<option value="-1" data-html="'.dol_escape_htmltag('<span class="opacitymedium">'.($textifempty ? $textifempty : '&nbsp;').'</span>').'">'.$textifempty.'</option>'."\n";
 			}
 
 			$num = $this->db->num_rows($resql);