diff --git a/pkgs/development/libraries/gthree/default.nix b/pkgs/development/libraries/gthree/default.nix
index a59541edb25..fa4cb404b0a 100644
--- a/pkgs/development/libraries/gthree/default.nix
+++ b/pkgs/development/libraries/gthree/default.nix
@@ -69,5 +69,6 @@ stdenv.mkDerivation rec {
     license = licenses.mit;
     maintainers = with maintainers; [ jtojnar ];
     platforms = platforms.unix;
+    broken = stdenv.isDarwin; # never built on Hydra https://hydra.nixos.org/job/nixpkgs/trunk/gthree.x86_64-darwin
   };
 }