diff --git a/pkgs/development/compilers/myrddin/default.nix b/pkgs/development/compilers/myrddin/default.nix
index 3120426210b..a7aa84a1aa8 100644
--- a/pkgs/development/compilers/myrddin/default.nix
+++ b/pkgs/development/compilers/myrddin/default.nix
@@ -53,5 +53,6 @@ stdenv.mkDerivation rec {
     license = licenses.mit;
     maintainers = with maintainers; [ luc65r ];
     platforms = platforms.all;
+    broken = stdenv.isDarwin; # never built on Hydra https://hydra.nixos.org/job/nixpkgs/trunk/myrddin.x86_64-darwin
   };
 }