diff --git a/dotfiles/emacs.d/README.org b/dotfiles/emacs.d/README.org
index f02de549..cea518d1 100644
--- a/dotfiles/emacs.d/README.org
+++ b/dotfiles/emacs.d/README.org
@@ -2591,7 +2591,7 @@ eval-last-sexp.
   :preface
   (progn
     (imalison:add-blacklist-to-major nix-mode)
-    (setq nix-mode-blacklist '("all-packages.nix")))
+    (setq nix-mode-blacklist '("all-packages.nix" "hackage-packages.nix")))
   :config
   (progn
     (setq nix-indent-function 'nix-indent-line)))