diff --git a/sources/Controller/AjaxRenderController.php b/sources/Controller/AjaxRenderController.php
index 00a26ec1e1..28d71a0ad3 100644
--- a/sources/Controller/AjaxRenderController.php
+++ b/sources/Controller/AjaxRenderController.php
@@ -24,7 +24,7 @@ class AjaxRenderController
 	 *
 	 * @throws \Exception
 	 */
-	public static function ExportBuild(ajax_page $oPage, bool $bTokenOnly)
+	public static function ExportBuild(ajax_page $oPage, $bTokenOnly)
 	{
 		register_shutdown_function(function () {
 			$aErr = error_get_last();