diff --git a/charts/rancher-backup/files/default-resourceset-contents/fleet.yaml b/charts/rancher-backup/files/default-resourceset-contents/fleet.yaml
index a14125fe..7909be63 100644
--- a/charts/rancher-backup/files/default-resourceset-contents/fleet.yaml
+++ b/charts/rancher-backup/files/default-resourceset-contents/fleet.yaml
@@ -1,6 +1,13 @@
 - apiVersion: "v1"
   kindsRegexp: "^namespaces$"
   resourceNameRegexp: "^fleet-"
+- apiVersion: "v1"
+  kindsRegexp: "^namespaces$"
+  labelSelectors:
+    matchExpressions:
+      - key: "app.kubernetes.io/managed-by"
+        operator: "In"
+        values: ["rancher"]
 - apiVersion: "v1"
   kindsRegexp: "^secrets$"
   namespaceRegexp: "^cattle-fleet-|^fleet-"