diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index e7ee93e21fe..0e88986ee1c 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -25362,6 +25362,7 @@ in {
       homepage = http://taskcoach.org/;
       description = "Todo manager to keep track of personal tasks and todo lists";
       license = licenses.gpl3Plus;
+      broken = stdenv.isDarwin;
     };
   };