diff --git a/commerce_discount.rules.inc b/commerce_discount.rules.inc
index b3e13f6..73a9b2f 100644
--- a/commerce_discount.rules.inc
+++ b/commerce_discount.rules.inc
@@ -642,7 +642,7 @@ function commerce_discount_percentage(EntityDrupalWrapper $wrapper, $discount_na
 
       // Exit if there are no line items or the wrapper doesn't contain
       // the commerce_discounts property.
-      if (isset($wrapper->commerce_discounts) || !$wrapper->commerce_line_items->value()) {
+      if (!isset($wrapper->commerce_discounts) || !$wrapper->commerce_line_items->value()) {
         return;
       }