diff --git a/classes/controller/FrontController.php b/classes/controller/FrontController.php
index 5aa106da2..701512b33 100755
--- a/classes/controller/FrontController.php
+++ b/classes/controller/FrontController.php
@@ -294,7 +294,7 @@ class FrontControllerCore extends Controller
 		Product::initPricesComputation();
 
 		$display_tax_label = $this->context->country->display_tax_label;
-		if ($cart->{Configuration::get('PS_TAX_ADDRESS_TYPE')})
+		if (isset($cart->{Configuration::get('PS_TAX_ADDRESS_TYPE')}) && $cart->{Configuration::get('PS_TAX_ADDRESS_TYPE')})
 		{
 			$infos = Address::getCountryAndState((int)($cart->{Configuration::get('PS_TAX_ADDRESS_TYPE')}));
 			$country = new Country((int)$infos['id_country']);