diff --git a/modules/kargoBidAdapter.js b/modules/kargoBidAdapter.js
index 4f594c2856f..4d2190a29f1 100644
--- a/modules/kargoBidAdapter.js
+++ b/modules/kargoBidAdapter.js
@@ -76,8 +76,8 @@ export const spec = {
     let nameEquals = `${name}=`;
     let cookies = document.cookie.split(';');
 
-    for (let key in cookies) {
-      let cookie = cookies[key];
+    for (let i = 0; i < cookies.length; i++) {
+      let cookie = cookies[i];
       while (cookie.charAt(0) === ' ') {
         cookie = cookie.substring(1, cookie.length);
       }