diff --git a/classes/controller/FrontController.php b/classes/controller/FrontController.php
index 6d0c84725..6efd5bbb1 100755
--- a/classes/controller/FrontController.php
+++ b/classes/controller/FrontController.php
@@ -263,11 +263,12 @@ class FrontControllerCore extends Controller
 		$module_name = '';
 		if (Validate::isModuleName(Tools::getValue('module')))
 			$module_name = Tools::getValue('module');
+
 		if (!empty($this->page_name))
 			$page_name = $this->page_name;
 		elseif (!empty($this->php_self))
 			$page_name = $this->php_self;
-		elseif (Tools::getValue('fc') == 'module' && $module_name != '' && new $module_name() instanceof PaymentModule)
+		elseif (Tools::getValue('fc') == 'module' && $module_name != '' && is_a($module_name, 'PaymentModule'))
 			$page_name = 'module-payment-submit';
 		// @retrocompatibility Are we in a module ?
 		elseif (preg_match('#^'.preg_quote($this->context->shop->physical_uri, '#').'modules/([a-zA-Z0-9_-]+?)/(.*)$#', $_SERVER['REQUEST_URI'], $m))