diff --git a/clusters/cl01tl/services/talos/values.yaml b/clusters/cl01tl/services/talos/values.yaml
index 0705d1fac..ee74fb8ba 100644
--- a/clusters/cl01tl/services/talos/values.yaml
+++ b/clusters/cl01tl/services/talos/values.yaml
@@ -17,7 +17,7 @@ etcd-backup:
           nodeAffinity:
             requiredDuringSchedulingIgnoredDuringExecution:
               nodeSelectorTerms:
-                matchExpressions:
+                - matchExpressions:
                   - key: node-role.kubernetes.io/control-plane
                     operator: Exists
         tolerations: