diff --git a/flake.nix b/flake.nix
index d34867b..8ddc08e 100644
--- a/flake.nix
+++ b/flake.nix
@@ -66,7 +66,12 @@
           source = "${tarball}/static";
         };
         environment.systemPackages = [pkgs.openssl];
-
+        groups."sTodo".name = "sTodo";
+        users."sTodo" = {
+                name = "sTodo";
+                isSystemUser = true;
+                group = "sTodo";
+                                                };
         systemd.services.sTodo.preStart = ''
           [ -f ${sessionKey} ] || {
             "${pkgs.openssl}/bin/openssl" rand 256 > ${sessionKey}