diff --git a/profiles/common/nixos/system.nix b/profiles/common/nixos/system.nix
index a5c635cc..b4bc2a8a 100644
--- a/profiles/common/nixos/system.nix
+++ b/profiles/common/nixos/system.nix
@@ -4,4 +4,5 @@
   boot.kernelPackages = lib.mkDefault pkgs.linuxPackages_latest;
   boot.tmpOnTmpfs = true;
   services.journald.extraConfig = "SystemMaxUse=512M";
+  users.mutableUsers = false;
 }