diff --git a/kustomize-guestbook/overlays/dev/argo-app.yaml b/kustomize-guestbook/overlays/dev/argo-app.yaml
index e1f932f..ba7de0b 100644
--- a/kustomize-guestbook/overlays/dev/argo-app.yaml
+++ b/kustomize-guestbook/overlays/dev/argo-app.yaml
@@ -7,7 +7,7 @@ metadata:
   # - resources-finalizer.argocd.argoproj.io
 spec:
   destination:
-    namespace: kustomize-guestbook
+    namespace: dev-kustomize-guestbook
     server: https://kubernetes.default.svc
   project: default
   source: