diff --git a/pkgs/tools/package-management/nix/default.nix b/pkgs/tools/package-management/nix/default.nix
index 81031c0a547..f733be5fd00 100644
--- a/pkgs/tools/package-management/nix/default.nix
+++ b/pkgs/tools/package-management/nix/default.nix
@@ -16,8 +16,8 @@ let
     enableMinimal = true;
     extraConfig = ''
       CONFIG_ASH y
-      CONFIG_ASH_BUILTIN_ECHO y
-      CONFIG_ASH_BUILTIN_TEST y
+      CONFIG_ASH_ECHO y
+      CONFIG_ASH_TEST y
       CONFIG_ASH_OPTIMIZE_FOR_SIZE y
     '';
   };