diff --git a/config/config.inc.php b/config/config.inc.php
index 21fb9b780..763f3a135 100644
--- a/config/config.inc.php
+++ b/config/config.inc.php
@@ -94,17 +94,11 @@ try
 {
 	$context->shop = Shop::initialize();
 }
-catch(Exception $e)
+catch (PrestaShopException $e)
 {
-	header('HTTP/1.1 503 temporarily overloaded');
-
-	define('_PS_SMARTY_DIR_', _PS_TOOL_DIR_.'smarty/');
-	require_once(_PS_SMARTY_DIR_.'Smarty.class.php');
-	$context->smarty = new Smarty();		
-	$context->smarty->display('error500.html');
-	
-	exit;
+	$e->displayMessage();
 }
+
 define('_THEME_NAME_', $context->shop->getTheme());
 define('__PS_BASE_URI__', $context->shop->getBaseURI());