diff --git a/pkgs/tools/misc/marlin-calc/default.nix b/pkgs/tools/misc/marlin-calc/default.nix
index 0e75af62231..cdcdad99477 100644
--- a/pkgs/tools/misc/marlin-calc/default.nix
+++ b/pkgs/tools/misc/marlin-calc/default.nix
@@ -27,5 +27,6 @@ stdenv.mkDerivation {
     license = licenses.gpl3;
     maintainers = with maintainers; [ gebner ];
     platforms = platforms.unix;
+    broken = stdenv.isDarwin; # never built on Hydra https://hydra.nixos.org/job/nixpkgs/trunk/marlin-calc.x86_64-darwin
   };
 }