diff --git a/src/helpers/heritage-integration/cookie-helper.js b/src/helpers/heritage-integration/cookie-helper.js
index 2dd8006fb..52cb17642 100644
--- a/src/helpers/heritage-integration/cookie-helper.js
+++ b/src/helpers/heritage-integration/cookie-helper.js
@@ -62,7 +62,7 @@ export function getDeviceIdValue(){
     const cookieValuesSplit = cookieValue.split('=');
 
     // If this is the only value, just use that.
-    if(cookieValuesSplit.length === 2){
+    if(cookieValuesSplit.length === 2 && cookieValuesSplit[0] === 'did'){
         return cookieValuesSplit[1];
     }