diff --git a/nixos/modules/services/networking/lldpd.nix b/nixos/modules/services/networking/lldpd.nix
index ba4e1b1542f..db1534edfd7 100644
--- a/nixos/modules/services/networking/lldpd.nix
+++ b/nixos/modules/services/networking/lldpd.nix
@@ -24,6 +24,7 @@ in
       description = "lldpd user";
       group = "_lldpd";
       home = "/var/run/lldpd";
+      isSystemUser = true;
     };
     users.extraGroups._lldpd = {};