diff --git a/Emacs-instructions.md b/Emacs-instructions.md
index 8304141..1a2e900 100644
--- a/Emacs-instructions.md
+++ b/Emacs-instructions.md
@@ -1,7 +1,7 @@
 Put this lisp in your `.emacs` (thanks [Sean Farley](https://github.com/seanfarley) for putting this together; extended by [Jason Blevins](https://github.com/jrblevin)):
 ```elisp
 (when (window-system)
-  (set-default-font "Fira Code"))
+  (set-frame-font "Fira Code"))
 (let ((alist '((33 . ".\\(?:\\(?:==\\|!!\\)\\|[!=]\\)")
                (35 . ".\\(?:###\\|##\\|_(\\|[#(?[_{]\\)")
                (36 . ".\\(?:>\\)")