diff --git a/nixos/modules/services/monitoring/prometheus/exporters/mail.nix b/nixos/modules/services/monitoring/prometheus/exporters/mail.nix
index 4d9239f7bb3d..18c5c4dd1623 100644
--- a/nixos/modules/services/monitoring/prometheus/exporters/mail.nix
+++ b/nixos/modules/services/monitoring/prometheus/exporters/mail.nix
@@ -90,7 +90,7 @@ let
         Timeout until mails are considered "didn't make it".
       '';
     };
-    disableFileDelition = mkOption {
+    disableFileDeletion = mkOption {
       type = types.bool;
       default = false;
       description = ''
@@ -147,6 +147,7 @@ in
       ExecStart = ''
         ${pkgs.prometheus-mail-exporter}/bin/mailexporter \
           --web.listen-address ${cfg.listenAddress}:${toString cfg.port} \
+          --web.telemetry-path ${cfg.telemetryPath} \
           --config.file ${
             if cfg.configuration != null then configurationFile else (escapeShellArg cfg.configFile)
           } \
diff --git a/nixos/tests/prometheus-exporters.nix b/nixos/tests/prometheus-exporters.nix
index 3d0d00bfbe63..b84e589e84cb 100644
--- a/nixos/tests/prometheus-exporters.nix
+++ b/nixos/tests/prometheus-exporters.nix
@@ -224,7 +224,7 @@ let
           after = [ "postfix.service" ];
           requires = [ "postfix.service" ];
           preStart = ''
-            mkdir -p 0600 mail-exporter/new
+            mkdir -p -m 0700 mail-exporter/new
           '';
           serviceConfig = {
             ProtectHome = true;