diff --git a/code/ryzom/tools/server/ryzom_ams/www/html/index.php b/code/ryzom/tools/server/ryzom_ams/www/html/index.php
index faf3488c6..e93ca5be5 100644
--- a/code/ryzom/tools/server/ryzom_ams/www/html/index.php
+++ b/code/ryzom/tools/server/ryzom_ams/www/html/index.php
@@ -13,7 +13,6 @@
 //load required pages and turn error reporting on/off
 error_reporting(E_ALL);
 ini_set('display_errors', 'on');
-require_once( '../../ams_lib/libinclude.php' );
 if (!file_exists('../is_installed')) {
     //if is_installed doesnt exist run setup
     require( 'installer/libsetup.php' );
@@ -24,6 +23,7 @@ if (!file_exists('../is_installed')) {
     //if config exists then include it
     require( '../config.php' );
 }
+require_once( $AMS_LIB'/libinclude.php' );
 session_start();
 
 //Running Cron?
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 932d6d2db..206cce4fe 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
@@ -34,7 +34,7 @@
     if (!isset($_POST['function'])) { 
         //require the pages that are being needed.
         require_once( '../config.default.php' );
-        require_once( '../../ams_lib/libinclude.php' );
+        require_once( $AMS_LIB.'/libinclude.php' );
         ini_set( "display_errors", true );
         error_reporting( E_ALL );