diff --git a/includes/init.php b/includes/init.php
index 87a7e63e330a..7c61d671af0b 100644
--- a/includes/init.php
+++ b/includes/init.php
@@ -139,7 +139,7 @@
     $tmp_list = dbFetchRows('SELECT DISTINCT(`os`) FROM `devices`');
     $os_list = array();
     foreach ($tmp_list as $k => $v) {
-        $os_list[] = $v['os'];
+        $os_list[] = $config['install_dir'].'/includes/definitions/'. $v['os'] . '.yaml';
     }
     load_all_os($os_list);
 }