diff --git a/pkgs/applications/altcoins/ethsign/default.nix b/pkgs/applications/altcoins/ethsign/default.nix
index 35fd4bc718c8..8e89de4d6906 100644
--- a/pkgs/applications/altcoins/ethsign/default.nix
+++ b/pkgs/applications/altcoins/ethsign/default.nix
@@ -54,6 +54,7 @@ buildGoPackage rec {
   meta = with stdenv.lib; {
     homepage = https://github.com/dapphub/ethsign;
     description = "Make raw signed Ethereum transactions";
+    broken = stdenv.isDarwin;  # test with CoreFoundation 10.11
     license = [licenses.gpl3];
   };
 }