diff --git a/nixos/modules/services/misc/tandoor-recipes.nix b/nixos/modules/services/misc/tandoor-recipes.nix
index 371a1ee6a7e8..b56185bd0c45 100644
--- a/nixos/modules/services/misc/tandoor-recipes.nix
+++ b/nixos/modules/services/misc/tandoor-recipes.nix
@@ -92,14 +92,14 @@ in
 
   config = lib.mkIf cfg.enable {
     users.users = lib.mkIf (cfg.user == "tandoor_recipes") {
-      tandoor-recipes = {
+      tandoor_recipes = {
         inherit (cfg) group;
         isSystemUser = true;
       };
     };
 
     users.groups = lib.mkIf (cfg.group == "tandoor_recipes") {
-      tandoor-recipes = { };
+      tandoor_recipes = { };
     };
 
     systemd.services.tandoor-recipes = {