diff --git a/configuration.org b/configuration.org
index 21155c4..0ef6409 100644
--- a/configuration.org
+++ b/configuration.org
@@ -1059,12 +1059,13 @@ Before this can be used, make sure the [[https://zhm.github.io/symbola/][Symbola
 
 #+BEGIN_SRC emacs-lisp
 (defun gpolonkai/set-font-size (frame)
-  (set-face-attribute 'default frame :font "Hack-12")
-  (set-frame-font "Hack-12" t frame))
+  (when (display-graphic-p frame)
+    (set-face-attribute 'default frame :font "Hack-12")
+    (set-frame-font "Hack-12" t frame)))
 
 (defun --set-emoji-font (frame)
   "Adjust the font setting of FRAME so Emacs can display Emoji properly."
-  (when (fboundp 'set-fontset-font)
+  (when (display-graphic-p frame)
     (set-fontset-font t 'symbol
                       (font-spec :family "Symbola")
                       frame 'prepend)))