diff --git a/pkgs/development/libraries/mtxclient/default.nix b/pkgs/development/libraries/mtxclient/default.nix
index ee8c8f101a24..ef8525cf54d7 100644
--- a/pkgs/development/libraries/mtxclient/default.nix
+++ b/pkgs/development/libraries/mtxclient/default.nix
@@ -27,5 +27,9 @@ stdenv.mkDerivation rec {
     license = licenses.mit;
     maintainers = with maintainers; [ fpletz ];
     platforms = platforms.unix;
+
+    # As of 2019-06-30, all of the dependencies are available on macOS but the
+    # package itself does not build.
+    broken = stdenv.isDarwin;
   };
 }