diff --git a/clusters/cl01tl/helm/talos/values.yaml b/clusters/cl01tl/helm/talos/values.yaml
index 2e05c27ef..7c8f33ad5 100644
--- a/clusters/cl01tl/helm/talos/values.yaml
+++ b/clusters/cl01tl/helm/talos/values.yaml
@@ -85,7 +85,7 @@ etcd-backup:
             - name: TARGET
               value: Local
             - name: DATE_RANGE_SECONDS
-              value: 2419200
+              value: "2419200"
     remote:
       type: cronjob
       pod:
@@ -171,7 +171,7 @@ etcd-backup:
             - name: TARGET
               value: Remote
             - name: DATE_RANGE_SECONDS
-              value: 2419200
+              value: "2419200"
     external:
       type: cronjob
       pod:
@@ -257,7 +257,7 @@ etcd-backup:
             - name: TARGET
               value: External
             - name: DATE_RANGE_SECONDS
-              value: 1209600
+              value: "1209600"
   persistence:
     secret:
       enabled: true