diff --git a/inventories/default.nix b/inventories/default.nix
index a830a48..c6fc1e2 100644
--- a/inventories/default.nix
+++ b/inventories/default.nix
@@ -368,7 +368,7 @@
                           rules = [
                             {
                               alert = "test";
-                              expr = ''up{instance!~"(nerr-.*|theatnerr-.*)",job!~"lab-.*|snmp-.*"} == 1'';
+                              expr = ''up{instance!~"(nerr-.*|theatnerr-.*)",job!~"lab-.*|snmp-.*"} == 0'';
                               for = "1m";
                               annotations.summary = "{{ $labels.instance }} of job {{ $labels.job }} has been down for more than 5 minutes.";
                             }
@@ -391,15 +391,6 @@
                         ];
                       };
                       receivers = [
-                        {
-                          name = "uptime-kuma";
-                          webhook_configs = [
-                            {
-                              url = "https://uptime.b4l.co.th/api/push/$${KUMA_TOKEN}?status=up&msg=OK&ping=";
-                              send_resolved = true;
-                            }
-                          ];
-                        }
                         {
                           name = "matrix";
                           webhook_configs = [