From 2eaa9103367a9838cf148747f049a92eff75be96 Mon Sep 17 00:00:00 2001
From: Laurent Destailleur <eldy@destailleur.fr>
Date: Fri, 27 Sep 2019 12:32:27 +0200
Subject: [PATCH] Update project.class.php

---
 htdocs/projet/class/project.class.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/htdocs/projet/class/project.class.php b/htdocs/projet/class/project.class.php
index cbed549ac29..7e64f9a5011 100644
--- a/htdocs/projet/class/project.class.php
+++ b/htdocs/projet/class/project.class.php
@@ -1691,7 +1691,8 @@ class Project extends CommonObject
 			$sql.= " WHERE id=".$elementSelectId;
 		}else
 		{
-			$sql.= sprintf(" SET %s=NULL WHERE rowid=%s", $projectfield, $elementSelectId);
+			$sql.= " SET ".$projectfield."=NULL";
+			$sql.= " WHERE rowid=".$elementSelectId;
 		}
 
 		dol_syslog(get_class($this)."::remove_element", LOG_DEBUG);