diff --git a/pkgs/development/tools/castxml/default.nix b/pkgs/development/tools/castxml/default.nix
index 17be341f4499..31642f5b0032 100644
--- a/pkgs/development/tools/castxml/default.nix
+++ b/pkgs/development/tools/castxml/default.nix
@@ -64,5 +64,6 @@ stdenv.mkDerivation rec {
     license = licenses.asl20;
     maintainers = with maintainers; [ AndersonTorres ];
     platforms = platforms.unix;
+    broken = stdenv.isDarwin;
   };
 }