I use the following on my Mac to avoid this issue (I don't use a hyper key in emacs): (setq mac-command-modifier 'meta) (setq mac-option-modifier 'none)

I use the following on my Mac to avoid this issue (I don't use a hyper key in emacs): (setq mac-command-modifier 'meta) (setq mac-option-modifier 'none) (setq mac-pass-command-to-system nil)