diff --git a/config.el b/config.el
index bc2ec9c..146ad1e 100644
--- a/config.el
+++ b/config.el
@@ -662,10 +662,14 @@ Skip for beamer exports — beamer uses adjustbox on plain tabular."
       (lambda ()
         (add-hook 'completion-at-point-functions #'yasnippet-capf 0 t)))))
 
-;; Corfu popup in terminal — only for Emacs < 31 (31+ handles it natively)
+;; Corfu popup rendering: use overlays instead of child frames.
+;; On macOS (NS), child frames cause VoiceOver to announce "X window"
+;; and break focus tracking.  corfu-terminal renders via overlays,
+;; which patch 0007 (overlay completion) handles automatically.
+;; On terminal Emacs < 31, also needed (31+ handles it natively).
 (use-package! corfu-terminal
-  :when (and (not (display-graphic-p))
-             (< emacs-major-version 31))
+  :when (or (not (display-graphic-p))
+            (eq window-system 'ns))
   :after corfu
   :config
   (corfu-terminal-mode +1))