diff --git a/darwin/homebrew.nix b/darwin/homebrew.nix
index 3b8a376..55cf334 100644
--- a/darwin/homebrew.nix
+++ b/darwin/homebrew.nix
@@ -74,6 +74,7 @@ in
     "shortcat"
     "signal"
     # "slack"
+    "smlnj" # neither this, nor mlton, nor mlkit will play nice from nixpkgs
     "stay"
     "transmission"
     "utm"