diff --git a/modules/loyalty/controllers/front/default.php b/modules/loyalty/controllers/front/default.php
index 18776e905..8ae94291b 100644
--- a/modules/loyalty/controllers/front/default.php
+++ b/modules/loyalty/controllers/front/default.php
@@ -88,7 +88,7 @@ class LoyaltyDefaultModuleFrontController extends ModuleFrontController
 				$dateFrom += 60 * 60 * 24 * (int)Configuration::get('PS_ORDER_RETURN_NB_DAYS');
 		
 			$cartRule->date_from = date('Y-m-d H:i:s', $dateFrom);
-			$cartRule->date_to = date('Y-m-d H:i:s', $dateFrom + 31536000); // + 1 year
+			$cartRule->date_to = date('Y-m-d H:i:s', strtotime($cartRule->date_from.' +1 year'));
 		
 			$cartRule->minimum_amount = (float)Configuration::get('PS_LOYALTY_MINIMAL');
 			$cartRule->active = 1;