diff --git a/nixos/modules/admin.nix b/nixos/modules/admin.nix
index 05acc43..bd03ba7 100644
--- a/nixos/modules/admin.nix
+++ b/nixos/modules/admin.nix
@@ -97,7 +97,7 @@ in
     services.openssh.openFirewall = true;
 
     users.users = mapAttrs (user: keys: {
-      shell = lib.mkDefault shells."${keys.shell}";
+      shell = shells."${keys.shell}";
       extraGroups = lib.mkDefault extraGroups;
       isNormalUser = true;
       openssh.authorizedKeys.keys = keys.keys;