diff --git a/plugins/dynamix/include/Translations.php b/plugins/dynamix/include/Translations.php
index 8e43c6831..179eb4f38 100644
--- a/plugins/dynamix/include/Translations.php
+++ b/plugins/dynamix/include/Translations.php
@@ -165,7 +165,7 @@ foreach($uri as $more) {
   }
 }
 // help text
-if ($_SERVER['REQUEST_URI'][0]=='/') {
+if ($_SERVER['REQUEST_URI'][0]??''=='/') {
   if (!file_exists($help)) file_put_contents($help,serialize(parse_help_file($root)));
   $language = array_merge($language,unserialize(file_get_contents($help)));
 }