diff --git a/checklists/network_appdelivery_checklist.en.json b/checklists/network_appdelivery_checklist.en.json
index 622ef116a..6d8e2fd1f 100644
--- a/checklists/network_appdelivery_checklist.en.json
+++ b/checklists/network_appdelivery_checklist.en.json
@@ -96,7 +96,7 @@
             "subcategory": "App delivery - App Gateway",
             "text": "Deploy Application Gateway across Availability Zones",
             "waf": "Reliability",
-            "guid": "135bf4ac-f9db-461f-b76b-2ee9e30b12c0",
+            "guid": "060c6964-52b5-48db-af8b-83e4b2d85349",
             "id": "A01.09",
             "severity": "Medium",
             "query": "resources | where type =~ 'microsoft.network/applicationGateways' | extend compliant = (isnotnull(zones) and array_length(zones) > 1) | distinct id,compliant",