diff --git a/gnu/packages/emacs.scm b/gnu/packages/emacs.scm
index 9dc11c59fc..8da5add886 100644
--- a/gnu/packages/emacs.scm
+++ b/gnu/packages/emacs.scm
@@ -6982,8 +6982,8 @@ Emacs.")
                (substitute* "bin/ert-runner"
                  (("ERT_RUNNER=\"\\$\\(dirname \\$\\(dirname \\$0\\)\\)")
                   (string-append "ERT_RUNNER=\"" out
-                                 "/share/emacs/site-lisp/guix.d/"
-                                 ,name "-" ,version)))
+                                 "/share/emacs/site-lisp/guix.d/ert-runner-"
+                                 ,version)))
                (install-file "bin/ert-runner" (string-append out "/bin"))
                (wrap-program (string-append out "/bin/ert-runner")
                  (list "EMACSLOADPATH" ":" 'prefix