diff --git a/nix/ispd.nix b/nix/ispd.nix
index b9e2d859..3aae59b0 100644
--- a/nix/ispd.nix
+++ b/nix/ispd.nix
@@ -20,5 +20,7 @@ stdenv.mkDerivation {
   ];
   nativeBuildInputs = [ cmake ninja ];
 
-  inherit version meta;
+  inherit version;
+
+  meta = meta // { broken = true; };
 }