diff --git a/pkgs/applications/editors/emacs-modes/updater-emacs.nix b/pkgs/applications/editors/emacs-modes/updater-emacs.nix
index bd965c8f1285..4c321065445c 100644
--- a/pkgs/applications/editors/emacs-modes/updater-emacs.nix
+++ b/pkgs/applications/editors/emacs-modes/updater-emacs.nix
@@ -1,7 +1,7 @@
 let
   pkgs = import ../../../.. {};
 
-  emacsEnv = pkgs.emacs.withPackages (epkgs: let
+  emacsEnv = pkgs.emacs.pkgs.withPackages (epkgs: let
 
     promise = epkgs.trivialBuild {
       pname = "promise";