1 files changed, 1 insertions, 0 deletions
diff --git a/nixos/modules/services/monitoring/prometheus/exporters/mail.nix b/nixos/modules/services/monitoring/prometheus/exporters/mail.nix
index a1b46140d3e6..7d8c6fb61404 100644
--- a/nixos/modules/services/monitoring/prometheus/exporters/mail.nix
+++ b/nixos/modules/services/monitoring/prometheus/exporters/mail.nix
@@ -143,6 +143,7 @@ in
   };
   serviceOpts = {
     serviceConfig = {
+      DynamicUser = false;
       ExecStart = ''
         ${pkgs.prometheus-mail-exporter}/bin/mailexporter \
           --web.listen-address ${cfg.listenAddress}:${toString cfg.port} \