diff --git a/pkgs/development/tools/build-managers/cask/default.nix b/pkgs/development/tools/build-managers/cask/default.nix
index 234dab99c03cdc3..3a100f3bd824e91 100644
--- a/pkgs/development/tools/build-managers/cask/default.nix
+++ b/pkgs/development/tools/build-managers/cask/default.nix
@@ -1,11 +1,10 @@
-{ emacsPackagesNg, writeScriptBin }:
+{ emacsPackages, writeScriptBin }:
 let
 
-  emacs = emacsPackagesNg.emacsWithPackages (epkgs: [ epkgs.cask-package-toolset ]);
-  cpt = emacsPackagesNg.cask-package-toolset;
+  cask = emacsPackages.cask;
 
 in writeScriptBin "cask" ''
 #!/bin/sh
 
-exec ${emacs}/bin/emacs --script ${cpt}/share/emacs/site-lisp/elpa/cask-package-toolset-${cpt.version}/cask-package-toolset.el -- "$@"
+exec ${cask}/bin/cask $@
 ''