diff --git a/modules/nixos/monitoring/alert-rules.nix b/modules/nixos/monitoring/alert-rules.nix
index 148dec3..2059c23 100644
--- a/modules/nixos/monitoring/alert-rules.nix
+++ b/modules/nixos/monitoring/alert-rules.nix
@@ -106,8 +106,13 @@ lib.mapAttrsToList
       description = "{{$labels.host}} is running with load15 > 1 for at least 5 minutes: {{$value}}";
     };
 
+    localhost_reboot = {
+      condition = ''system_uptime{instance="localhost:9273"} < 900'';
+      description = "{{$labels.host}} just rebooted";
+    };
+
     reboot = {
-      condition = "system_uptime < 600";
+      condition = ''system_uptime{instance!="localhost:9273"} < 300'';
       description = "{{$labels.host}} just rebooted";
     };