diff --git a/_incl_data/autoload.php b/_incl_data/autoload.php
index 865c3f24..a4e480d5 100644
--- a/_incl_data/autoload.php
+++ b/_incl_data/autoload.php
@@ -10,13 +10,18 @@ require_once 'mysql_override.php';
 
 spl_autoload_register(function (string $className) {
     $rootdir = $_SERVER['DOCUMENT_ROOT'] . DIRECTORY_SEPARATOR . '_incl_data' . DIRECTORY_SEPARATOR;
+    $addsrc = function ($class) {
+        $c = explode('\\', $class);
+        array_splice($c, 1, 0, 'src');
+        return implode(DIRECTORY_SEPARATOR, $c);
+    };
     # 1 with namespaces
     # 2 without
     $fileName = [
         $rootdir . 'class' . DIRECTORY_SEPARATOR . str_replace('\\', DIRECTORY_SEPARATOR, $className . '.php'),
         $rootdir . 'class' . DIRECTORY_SEPARATOR . $className . '.php',
         $rootdir . 'function' . DIRECTORY_SEPARATOR . str_replace('\\', DIRECTORY_SEPARATOR, $className . '.php'),
-        $rootdir . 'vendor' . DIRECTORY_SEPARATOR . $className . '.php',
+        $rootdir . 'vendor' . DIRECTORY_SEPARATOR . $addsrc($className) . '.php',
     ];
     foreach ($fileName as $file) {
         if (file_exists($file)) {