diff --git a/src/lib/common.php b/src/lib/common.php
index e61d153..16dc852 100644
--- a/src/lib/common.php
+++ b/src/lib/common.php
@@ -1314,7 +1314,7 @@ namespace
         }
 
         public function containsPromoCode($promo_code, $item) {
-            $group_ids = $this->parseArray($promo_code['group_ids']);
+            $group_ids = $this->parseArray($promo_code['group_id']);
             /*$catalog_ids = $this->parseArray($promo_code['catalog_ids']);*/
 
             if(!empty($group_ids) && in_array($item['id'], $group_ids))
--
libgit2 0.21.4