diff --git a/clusters/cl01tl/manifests/stack/ApplicationSet-application-set-cl01tl.yaml b/clusters/cl01tl/manifests/stack/ApplicationSet-application-set-cl01tl.yaml
index 6ce75d5f3..ba2044a0c 100644
--- a/clusters/cl01tl/manifests/stack/ApplicationSet-application-set-cl01tl.yaml
+++ b/clusters/cl01tl/manifests/stack/ApplicationSet-application-set-cl01tl.yaml
@@ -40,6 +40,11 @@ spec:
         name: in-cluster
         namespace: '{{path.basename}}'
       revisionHistoryLimit: 3
+      ignoreDifferences:
+        - group: ""
+          kind: Service
+          jqPathExpressions:
+            - .spec.externalName
       syncPolicy:
         automated:
           enabled: true