diff --git a/jsonnet/kube-prometheus/components/mixin/alerts/general.libsonnet b/jsonnet/kube-prometheus/components/mixin/alerts/general.libsonnet
index c236283747..1cb484dcec 100644
--- a/jsonnet/kube-prometheus/components/mixin/alerts/general.libsonnet
+++ b/jsonnet/kube-prometheus/components/mixin/alerts/general.libsonnet
@@ -28,7 +28,7 @@
                 "DeadMansSnitch" integration in PagerDuty.
               |||,
             },
-            expr: 'vector(1)',
+            expr: 'present_over_time(prometheus_tsdb_head_max_time[1m]) != 0',
             labels: {
               severity: 'none',
             },