diff --git a/hosts/cube/mail.nix b/hosts/cube/mail.nix
index 757eec1..5d52df7 100644
--- a/hosts/cube/mail.nix
+++ b/hosts/cube/mail.nix
@@ -5,20 +5,22 @@ let
 
   fqdn = "mail.${domain}";
 in serverSystemConfiguration {
-  services.prometheus.exporters.postfix = enabled {
-    port = 9040;
-  };
+  services.prometheus = {
+    exporters.postfix = enabled {
+      port = 9040;
+    };
 
-  services.prometheus.scrapeConfigs = [{
-    job_name = "postfix";
+    scrapeConfigs = [{
+      job_name = "postfix";
 
-    static_configs = [{
-      labels.job = "postfix";
-      targets    = [
-        "[::]:${toString config.services.prometheus.exporters.postfix.port}"
-      ];
+      static_configs = [{
+        labels.job = "postfix";
+        targets    = [
+          "[::]:${toString config.services.prometheus.exporters.postfix.port}"
+        ];
+      }];
     }];
-  }];
+  };
 
   services.fail2ban.jails = {
     dovecot.settings = {
diff --git a/hosts/cube/nginx.nix b/hosts/cube/nginx.nix
index 57e3aa6..0fb17da 100644
--- a/hosts/cube/nginx.nix
+++ b/hosts/cube/nginx.nix
@@ -3,18 +3,20 @@
 serverSystemConfiguration {
   networking.firewall.allowedTCPPorts = [ 80 443 ];
 
-  services.prometheus.exporters.nginx = enabled {
-    port = 9030;
-  };
+  services.prometheus = {
+    exporters.nginx = enabled {
+      port = 9030;
+    };
 
-  services.prometheus.scrapeConfigs = [{
-    job_name = "nginx";
+    scrapeConfigs = [{
+      job_name = "nginx";
 
-    static_configs = [{
-      labels.job = "nginx";
-      targets    = [ "[::]:${toString config.services.prometheus.exporters.nginx.port}" ];
+      static_configs = [{
+        labels.job = "nginx";
+        targets    = [ "[::]:${toString config.services.prometheus.exporters.nginx.port}" ];
+      }];
     }];
-  }];
+  };
 
   services.nginx = enabled {
     statusPage = true;
diff --git a/hosts/cube/postgresql.nix b/hosts/cube/postgresql.nix
index 15812e8..d817b40 100644
--- a/hosts/cube/postgresql.nix
+++ b/hosts/cube/postgresql.nix
@@ -1,19 +1,21 @@
 { config, lib, ulib, pkgs, ... }: with ulib; merge
 
 (serverSystemConfiguration {
-  services.prometheus.exporters.postgres = enabled {
-    port                = 9020;
-    runAsLocalSuperUser = true;
-  };
+  services.prometheus = {
+    exporters.postgres = enabled {
+      port                = 9020;
+      runAsLocalSuperUser = true;
+    };
 
-  services.prometheus.scrapeConfigs = [{
-    job_name = "postgres";
+    scrapeConfigs = [{
+      job_name = "postgres";
 
-    static_configs = [{
-      labels.job = "postgres";
-      targets    = [ "[::]:${toString config.services.prometheus.exporters.postgres.port}" ];
+      static_configs = [{
+        labels.job = "postgres";
+        targets    = [ "[::]:${toString config.services.prometheus.exporters.postgres.port}" ];
+      }];
     }];
-  }];
+  };
 
   services.postgresql = enabled {
     package = pkgs.postgresql_14;