diff --git a/lisp/lib/fonts.el b/lisp/lib/fonts.el
index 250eb09f9..139e153d4 100644
--- a/lisp/lib/fonts.el
+++ b/lisp/lib/fonts.el
@@ -178,4 +178,5 @@ Also resizees `doom-variable-pitch-font' and `doom-serif-font'."
        t `((doom-font . ,doom-big-font)))
     ;; Resize the current font
     (doom-adjust-font-size nil)
-    (doom-adjust-font-size (if doom-big-font-mode doom-big-font-increment))))
+    (when doom-big-font-mode
+      (doom-adjust-font-size doom-big-font-increment))))