diff --git a/default.nix b/default.nix
index 5597e70..afd99ed 100644
--- a/default.nix
+++ b/default.nix
@@ -30,6 +30,8 @@ let
     else showWarnings rawModule.config.warnings rawModule;
 in
 {
+  neovim = builtins.trace "Obsolete option `neovim` is used. It was renamed to `build.neovim`" module.config.build.neovim;
+
   inherit (module.config) build;
   inherit (module) config options;
   inherit pkgs;