diff --git a/core/siren-core-linux.el b/core/siren-core-linux.el
index bac801d..31a7ebe 100644
--- a/core/siren-core-linux.el
+++ b/core/siren-core-linux.el
@@ -8,7 +8,10 @@
 
 ;; Set default font
 (if window-system
-    (set-face-attribute 'default nil :family "Menlo for Powerline" :height 90))
+    (let* ((primary "Menlo Nerd Font Mono")
+           (fallback "Menlo")
+           (family (if (member primary (font-family-list)) primary fallback)))
+      (set-face-attribute 'default nil :family family :height 90)))
 
 ;; Keybindinds
 (global-set-key (kbd "s-<return>") 'siren-linux-toggle-fullscreen)
diff --git a/core/siren-core-macos.el b/core/siren-core-macos.el
index 1dbd702..2d8c965 100644
--- a/core/siren-core-macos.el
+++ b/core/siren-core-macos.el
@@ -22,7 +22,10 @@
 ;; When running in GUI mode.
 (when window-system
   ;; Set default font
-  (set-face-attribute 'default nil :family "Menlo" :height 120)
+  (let* ((primary "Menlo Nerd Font Mono")
+         (fallback "Menlo")
+         (family (if (member primary (font-family-list)) primary fallback)))
+    (set-face-attribute 'default nil :family family :height 120))
 
   ;; Fix the default default-directory value.
   (if (string= default-directory "/")