diff --git a/core/lib/Thelia/Controller/Admin/CouponController.php b/core/lib/Thelia/Controller/Admin/CouponController.php
index ab018e245..c372ffca3 100755
--- a/core/lib/Thelia/Controller/Admin/CouponController.php
+++ b/core/lib/Thelia/Controller/Admin/CouponController.php
@@ -31,6 +31,7 @@ use Thelia\Coupon\CouponRuleCollection;
 use Thelia\Form\CouponCreationForm;
 use Thelia\Form\Exception\FormValidationException;
 use Thelia\Model\Coupon;
+use Thelia\Model\CouponQuery;
 
 /**
  * Created by JetBrains PhpStorm.
diff --git a/core/lib/Thelia/Model/Coupon.php b/core/lib/Thelia/Model/Coupon.php
index 9718b5e36..6de6049ef 100755
--- a/core/lib/Thelia/Model/Coupon.php
+++ b/core/lib/Thelia/Model/Coupon.php
@@ -48,7 +48,7 @@ class Coupon extends BaseCoupon
      *
      * @return   \Thelia\Model\Coupon The current object (for fluent API support)
      */
-    public function setSerializedRules(CouponRuleCollection $rules)
+    public function setRules(CouponRuleCollection $rules)
     {
         if ($rules !== null) {
 
@@ -70,7 +70,7 @@ class Coupon extends BaseCoupon
      *
      * @return CouponRuleCollection Rules ready to be processed
      */
-    public function getSerializedRules()
+    public function getRules()
     {
         return unserialize(base64_decode($this->serialized_rules));
     }