diff --git a/pkgs/development/compilers/ghcjs/default.nix b/pkgs/development/compilers/ghcjs/default.nix
index 565215f474e..9b1a377fd8b 100644
--- a/pkgs/development/compilers/ghcjs/default.nix
+++ b/pkgs/development/compilers/ghcjs/default.nix
@@ -176,4 +176,5 @@ in mkDerivation (rec {
   license = stdenv.lib.licenses.bsd3;
   platforms = ghc.meta.platforms;
   maintainers = with stdenv.lib.maintainers; [ jwiegley cstrahan ];
+  broken = true;   # See http://hydra.nixos.org/build/41499439, for example.
 })