diff --git a/k8s/core/prom-stack/grafana-alerting-configmap.yaml b/k8s/core/prom-stack/grafana-alerting-configmap.yaml
index 9c7ad41..d864833 100644
--- a/k8s/core/prom-stack/grafana-alerting-configmap.yaml
+++ b/k8s/core/prom-stack/grafana-alerting-configmap.yaml
@@ -75,7 +75,7 @@ data:
                   to: 0
                 datasourceUid: P76F38748CEC837F0
                 model:
-                  expr: 'kube_node_status_condition{condition="Ready",status="true"} == 0'
+                  expr: 'kube_node_status_condition{condition="Ready",status="false"}'
                   refId: A
                   intervalMs: 1000
                   maxDataPoints: 43200