diff --git a/preview-portfolio-ui/application-set.yaml b/preview-portfolio-ui/application-set.yaml
index 4b7f24fe..419a9558 100644
--- a/preview-portfolio-ui/application-set.yaml
+++ b/preview-portfolio-ui/application-set.yaml
@@ -1,7 +1,7 @@
 apiVersion: argoproj.io/v1alpha1
 kind: ApplicationSet
 metadata:
-  name: preview-portfolio
+  name: preview-portfolio-ui
   namespace: argocd
 
 # https://argo-cd.readthedocs.io/en/stable/operator-manual/applicationset/Generators-Pull-Request/
@@ -43,7 +43,7 @@ spec:
       project: preview
       destination:
         server: https://kubernetes.default.svc
-        namespace: preview-portfolio
+        namespace: preview-portfolio-ui
       syncPolicy:
         automated:
           prune: true
diff --git a/preview-portfolio-ui/certificate.yaml b/preview-portfolio-ui/certificate.yaml
index a23b1ab9..50a07306 100644
--- a/preview-portfolio-ui/certificate.yaml
+++ b/preview-portfolio-ui/certificate.yaml
@@ -1,7 +1,7 @@
 apiVersion: cert-manager.io/v1
 kind: Certificate
 metadata:
-  name: preview-portfolio
+  name: preview-portfolio-ui
 
 spec:
   issuerRef: