diff --git a/scripts/setup_cli.php b/scripts/setup_cli.php
index ef03df2b..df996f66 100644
--- a/scripts/setup_cli.php
+++ b/scripts/setup_cli.php
@@ -92,11 +92,11 @@ if (isset($options['help'])) {
 }
 
 if (file_exists("../config.php")) {
-    include "../config.php";
+    include_once "../config.php";
 }
 
-include "../functions.php";
-include "../database_version.php";
+require_once "../functions.php";
+require_once "../database_version.php";
 
 if (!isset($config_enable_setup)) {
     $config_enable_setup = 1;