diff --git a/code/ryzom/tools/server/ryzom_ams/www/html/installer/libsetup.php b/code/ryzom/tools/server/ryzom_ams/www/html/installer/libsetup.php
index e51dc1872..2901918e2 100644
--- a/code/ryzom/tools/server/ryzom_ams/www/html/installer/libsetup.php
+++ b/code/ryzom/tools/server/ryzom_ams/www/html/installer/libsetup.php
@@ -56,6 +56,7 @@
     if (!isset($_POST['function'])) { 
         //require the pages that are being needed.
         require_once( '../config.default.php' );
+        require_once( $AMS_LIB.'/libinclude.php' );
         ini_set( "display_errors", true );
         error_reporting( E_ALL );