diff --git a/modules/core/user.nix b/modules/core/user.nix
index c083df2..8f4cad1 100644
--- a/modules/core/user.nix
+++ b/modules/core/user.nix
@@ -30,5 +30,5 @@ in
     extraGroups = [ "networkmanager" "wheel" ];
     shell = pkgs.zsh;
   };
-  nix.settings.allowed-users = [ ${username} ];
+  nix.settings.allowed-users = [ "${username}" ];
 }