diff --git a/inc/load.php b/inc/load.php
index c562fc24fa74d8ec1fed6223d248c879b2b9b9d2..39cb0fbb74739b6409e0687213a4a87f5a400b95 100644
--- a/inc/load.php
+++ b/inc/load.php
@@ -117,7 +117,7 @@ function load_autoload($name){
     // plugin namespace
     if(substr($name, 0, 16) == 'dokuwiki/plugin/') {
         $name = str_replace('/test/', '/_test/', $name); // no underscore in test namespace
-        $file = DOKU_PLUGIN . substr($name, 7) . '.php';
+        $file = DOKU_PLUGIN . substr($name, 16) . '.php';
         if(file_exists($file)) {
             require $file;
             return true;