diff --git a/classes/Cart.php b/classes/Cart.php
index 238138699..c51afa6c4 100644
--- a/classes/Cart.php
+++ b/classes/Cart.php
@@ -368,12 +368,16 @@ class CartCore extends ObjectModel
 	{
 		if (!CartRule::isFeatureActive())
 			return 0;
-
-		return Db::getInstance()->getValue('
-			SELECT COUNT(*)
-			FROM `'._DB_PREFIX_.'cart_cart_rule`
-			WHERE `id_cart_rule` = '.(int)$id_cart_rule.' AND `id_cart` = '.(int)$this->id
-		);
+		$cache_id = __CLASS__.__FUNCTION__.(int)$this->id.'-'.(int)$id_cart_rule;
+		if (!Cache::isStored($cache_id))
+		{
+			$result = (int)Db::getInstance()->getValue('
+				SELECT COUNT(*)
+				FROM `'._DB_PREFIX_.'cart_cart_rule`
+				WHERE `id_cart_rule` = '.(int)$id_cart_rule.' AND `id_cart` = '.(int)$this->id);
+			Cache::store($cache_id, $result);
+		}
+		return Cache::retrieve($cache_id);
 	}
 
 	public function getLastProduct()
diff --git a/classes/order/Order.php b/classes/order/Order.php
index e57bf651d..27d18181b 100644
--- a/classes/order/Order.php
+++ b/classes/order/Order.php
@@ -721,11 +721,17 @@ class OrderCore extends ObjectModel
 
 	public static function getDiscountsCustomer($id_customer, $id_cart_rule)
 	{
-		return Db::getInstance()->getValue('
-		SELECT COUNT(*) FROM `'._DB_PREFIX_.'orders` o
-		LEFT JOIN '._DB_PREFIX_.'order_cart_rule ocr ON (ocr.id_order = o.id_order)
-		WHERE o.id_customer = '.(int)$id_customer.'
-		AND ocr.id_cart_rule = '.(int)$id_cart_rule);
+		$cache_id = __CLASS__.__FUNCTION__.(int)$id_customer.'-'.(int)$id_cart_rule;
+		if (!Cache::isStored($cache_id))
+		{
+			$result = (int)Db::getInstance()->getValue('
+			SELECT COUNT(*) FROM `'._DB_PREFIX_.'orders` o
+			LEFT JOIN '._DB_PREFIX_.'order_cart_rule ocr ON (ocr.id_order = o.id_order)
+			WHERE o.id_customer = '.(int)$id_customer.'
+			AND ocr.id_cart_rule = '.(int)$id_cart_rule);
+			Cache::store($cache_id, $result);
+		}
+		return Cache::retrieve($cache_id);
 	}
 
 	/**