diff --git a/clusters/kubenuc/apps/system-upgrade-controller/manifests/plan.yml b/clusters/kubenuc/apps/system-upgrade-controller/manifests/plan.yml
index d95f02d..50bbe5f 100644
--- a/clusters/kubenuc/apps/system-upgrade-controller/manifests/plan.yml
+++ b/clusters/kubenuc/apps/system-upgrade-controller/manifests/plan.yml
@@ -8,7 +8,7 @@ spec:
   concurrency: 1
   cordon: true
   tolerations:
-  - {key: node-role.kubernetes.io/control-plane, effect: NoSchedule, operator: Equal, value: true}
+  - {key: node-role.kubernetes.io/control-plane, effect: NoSchedule, operator: Exists}
   nodeSelector:
     matchExpressions:
     - key: node-role.kubernetes.io/control-plane