diff --git a/action.php b/action.php
index 4dfd511..ebcfe99 100644
--- a/action.php
+++ b/action.php
@@ -130,7 +130,7 @@ public function datatables(Doku_Event $event, $param)
     protected function getLangPath()
     {
         global $conf;
-        [$lang, $dialect] = explode('-', $conf['lang'], 2);
+        [$lang, $dialect] = array_pad(explode('-', $conf['lang'], 2), 2, null);
         $dialect = strtoupper($dialect);
 
         // exact match with dialect
diff --git a/plugin.info.txt b/plugin.info.txt
index 0bbacea..f39e564 100644
--- a/plugin.info.txt
+++ b/plugin.info.txt
@@ -1,7 +1,7 @@
 base datatables
 author Giuseppe Di Terlizzi
 email giuseppe.diterlizzi@gmail.com
-date 2023-08-30
+date 2023-08-31
 name DataTables Plugin
 desc Add DataTables support to DokuWiki
 url https://www.dokuwiki.org/plugin:datatables