Ok, I found solution to my problem: (set-fontset-font "-*-*-*-*-*-*-*-*-*-*-*-*-fontset-default" (cons (decode-char 'ucs #x2500) (decode-char 'ucs #x25cf)) "-apple-DejaVu_Sans_Mono-medium-normal-normal-*-*-*-*-*-m-0-iso10646-1") Best regards, jm.