diff --git a/htdocs/user/class/api_users.class.php b/htdocs/user/class/api_users.class.php
index 44b322a9d8e..bf83474361e 100644
--- a/htdocs/user/class/api_users.class.php
+++ b/htdocs/user/class/api_users.class.php
@@ -357,7 +357,7 @@ class Users extends DolibarrApi
 	public function put($id, $request_data = null)
 	{
 		// Check user authorization
-		if (empty(DolibarrApiAccess::$user->hasRight('user', 'user', 'creer')) && empty(DolibarrApiAccess::$user->admin)) {
+		if (!DolibarrApiAccess::$user->hasRight('user', 'user', 'creer') && empty(DolibarrApiAccess::$user->admin)) {
 			throw new RestException(401, "User update not allowed");
 		}
 
@@ -473,7 +473,7 @@ class Users extends DolibarrApi
 	{
 		global $conf;
 
-		if (empty(DolibarrApiAccess::$user->hasRight('user', 'user', 'creer')) && empty(DolibarrApiAccess::$user->admin)) {
+		if (!DolibarrApiAccess::$user->hasRight('user', 'user', 'creer') && empty(DolibarrApiAccess::$user->admin)) {
 			throw new RestException(401);
 		}