diff --git a/inc/toolbox.class.php b/inc/toolbox.class.php
index b0c391fff31..676cae01cb1 100644
--- a/inc/toolbox.class.php
+++ b/inc/toolbox.class.php
@@ -3461,7 +3461,7 @@ public static function isAPIDeprecated(string $class): bool {
     */
    public static function isValidWebUrl($url): bool {
       return (preg_match(
-         '#^http[s]?://[a-z0-9\-_]+(\.([a-z0-9\-]+\.)?[a-z]+)?(:\d+)?(/.*)?$#i',
+         '#^http[s]?://[a-z0-9\-_]+(\.([a-z0-9\-]+\.)*[a-z]+)?(:\d+)?(/.*)?$#i',
          $url
       ) === 1);
    }
diff --git a/tests/units/Toolbox.php b/tests/units/Toolbox.php
index 29f0ef1d8e5..9ec2f7af3a4 100644
--- a/tests/units/Toolbox.php
+++ b/tests/units/Toolbox.php
@@ -909,6 +909,8 @@ protected function urlProvider() {
          ['http://my.host.com:8080 /', false],
          ['http://my.host.com: 8080/', false],
          ['http://my.host.com :8080/', false],
+         ['http://helpdesk.global.glpi-project.org', true],
+         ['http://dev.helpdesk.global.glpi-project.org', true],
       ];
    }