diff --git a/config/testdata/user-impersonation/new-rbac.yaml b/config/testdata/user-impersonation/new-rbac.yaml
index acbf1ac1e..85d640657 100644
--- a/config/testdata/user-impersonation/new-rbac.yaml
+++ b/config/testdata/user-impersonation/new-rbac.yaml
@@ -4,6 +4,7 @@ apiVersion: v1
 kind: ServiceAccount
 metadata:
   name: user-impersonation
+  namespace: kustomize-system
 ---
 apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRole
@@ -93,4 +94,4 @@ roleRef:
 subjects:
   - kind: ServiceAccount
     name: user-impersonation
-    namespace: flux-system
+    namespace: kustomize-system