diff --git a/kubernetes/apps/observability/smartctl-exporter/app/helmrelease.yaml b/kubernetes/apps/observability/smartctl-exporter/app/helmrelease.yaml
index 59fbdf5a..6615ecca 100644
--- a/kubernetes/apps/observability/smartctl-exporter/app/helmrelease.yaml
+++ b/kubernetes/apps/observability/smartctl-exporter/app/helmrelease.yaml
@@ -36,9 +36,9 @@ spec:
     prometheusRules:
       enabled: false
     tolerations:
-      - effect: NoSchedule
+      - key: node-role.kubernetes.io/control-plane
+        effect: NoSchedule
         operator: Exists
-    nodeSelector: {
+    nodeSelector:
       # only control plane nodes
-      kubernetes.io/role: control-plane
-    }
\ No newline at end of file
+      node-role.kubernetes.io/control-plane: ""
\ No newline at end of file