diff --git a/nixos/modules/services/misc/etebase-server.nix b/nixos/modules/services/misc/etebase-server.nix
index 31e0952b5b9..32a5a3ad8bd 100644
--- a/nixos/modules/services/misc/etebase-server.nix
+++ b/nixos/modules/services/misc/etebase-server.nix
@@ -211,6 +211,7 @@ in
 
     users = optionalAttrs (cfg.user == defaultUser) {
       users.${defaultUser} = {
+        isSystemUser = true;
         group = defaultUser;
         home = cfg.dataDir;
       };