diff --git a/pkgs/build-support/emacs/wrapper.nix b/pkgs/build-support/emacs/wrapper.nix
index b13def07bb88..4fb77ccfe214 100644
--- a/pkgs/build-support/emacs/wrapper.nix
+++ b/pkgs/build-support/emacs/wrapper.nix
@@ -21,7 +21,7 @@ set which contains `emacsWithPackages`. For example, to override
 `emacsPackagesNg.emacsWithPackages`,
 ```
 let customEmacsPackages =
-      emacsPackagesNg.override (super: self: {
+      emacsPackagesNg.overrideScope (super: self: {
         # use a custom version of emacs
         emacs = ...;
         # use the unstable MELPA version of magit