diff --git a/core/lib/Thelia/Coupon/CouponManager.php b/core/lib/Thelia/Coupon/CouponManager.php
index 4f075f989..145bc60f2 100644
--- a/core/lib/Thelia/Coupon/CouponManager.php
+++ b/core/lib/Thelia/Coupon/CouponManager.php
@@ -248,7 +248,7 @@ class CouponManager
 
         if ($oldMaxUsage > 0) {
             $oldMaxUsage--;
-            $coupon->setMaxUsage($$oldMaxUsage);
+            $coupon->setMaxUsage($oldMaxUsage);
 
             $coupon->save();
         }