diff --git a/pkgs/development/libraries/kmsxx/default.nix b/pkgs/development/libraries/kmsxx/default.nix
index eea310a7ec4..c88dde7e445 100644
--- a/pkgs/development/libraries/kmsxx/default.nix
+++ b/pkgs/development/libraries/kmsxx/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation {
   cmakeFlags = lib.optional (!withPython) "-DKMSXX_ENABLE_PYTHON=OFF";
 
   nativeBuildInputs = [ cmake pkg-config ];
-  buildInputs = [ libdrm python ];
+  buildInputs = [ libdrm ] ++ lib.optionals withPython [ python ];
 
   meta = with lib; {
     description = "C++11 library, utilities and python bindings for Linux kernel mode setting";
@@ -24,5 +24,6 @@ stdenv.mkDerivation {
     license = licenses.mpl20;
     maintainers = with maintainers; [ gnidorah ];
     platforms = platforms.linux;
+    broken = true; # marked broken 2021-03-26
   };
 }