diff --git a/cookbooks/prometheus/files/etc/prometheus.d/alerts/services.yml b/cookbooks/prometheus/files/etc/prometheus.d/alerts/services.yml
index b929b7c..8048d00 100644
--- a/cookbooks/prometheus/files/etc/prometheus.d/alerts/services.yml
+++ b/cookbooks/prometheus/files/etc/prometheus.d/alerts/services.yml
@@ -10,12 +10,12 @@ groups:
       summary: "Digdag is not running: {{ $labels.instance }}."
       description: "Digdag is not running: {{ $labels.instance }}."
 
-  - alert: go-mmproxy
-    expr: node_systemd_unit_state{name="go-mmproxy:w.service", state="active"} != 1
+  - alert: node_exporter
+    expr: node_systemd_unit_state{name="node_exporter.service", state="active"} != 1
     for: 5m
     labels:
       severity: error
     annotations:
-      summary: "Digdag is not running: {{ $labels.instance }}."
-      description: "Digdag is not running: {{ $labels.instance }}."
+      summary: "node_exporter is not running: {{ $labels.instance }}."
+      description: "node_exporter is not running: {{ $labels.instance }}."