diff --git a/coreos-config/roles/compose_project/templates/prometheus/rules/node.yaml b/coreos-config/roles/compose_project/templates/prometheus/rules/node.yaml
index 2df76fc..5066531 100644
--- a/coreos-config/roles/compose_project/templates/prometheus/rules/node.yaml
+++ b/coreos-config/roles/compose_project/templates/prometheus/rules/node.yaml
@@ -108,8 +108,8 @@ groups:
         summary: Host unusual disk write latency (instance {{ $labels.instance }})
         description: "Disk latency is growing (write operations > 100ms)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
     - alert: HostHighCpuLoad
-      expr: 'sum by (instance) (avg by (mode, instance) (rate(node_cpu_seconds_total{mode!="idle"}[2m]))) > 0.8'
-      for: 0m
+      expr: '(100 - (avg by(instance) (rate(node_cpu_seconds_total{mode="idle"}[2m])) * 100)) > 80'
+      for: 2m
       labels:
         severity: warning
       annotations: