diff --git a/clusters/cl01tl/deployment/stack/templates/application-set.yaml b/clusters/cl01tl/deployment/stack/templates/application-set.yaml
index 5217807bb..0cafa7044 100644
--- a/clusters/cl01tl/deployment/stack/templates/application-set.yaml
+++ b/clusters/cl01tl/deployment/stack/templates/application-set.yaml
@@ -9,10 +9,12 @@ metadata:
     app.kubernetes.io/name: {{ $stack.name }}
     app.kubernetes.io/instance: {{ $stack.name }}
     app.kubernetes.io/part-of: {{ $.Release.Name }}
+  finalizers:
+    - resources-finalizer.argocd.argoproj.io
 spec:
   syncPolicy:
     applicationsSync: create-update
-    preserveResourcesOnDeletion: false
+    preserveResourcesOnDeletion: true
   generators:
     - git:
         repoURL: {{ $.Values.git.repo }}