diff --git a/setup/setuputils.class.inc.php b/setup/setuputils.class.inc.php
index c746ca225..15c821ece 100644
--- a/setup/setuputils.class.inc.php
+++ b/setup/setuputils.class.inc.php
@@ -588,8 +588,9 @@ class SetupUtils
 
 	/**
 	 * Helper function to retrieve the system's temporary directory
-	 * Emulates sys_get_temp_dir if needed (PHP < 5.2.1)
+	 *
 	 * @return string Path to the system's temp directory
+	 * @uses \sys_get_temp_dir()
 	 */
 	public static function GetTmpDir()
 	{