diff --git a/source/_docs/z-wave/device-specific.markdown b/source/_docs/z-wave/device-specific.markdown
index 50eb7ef7a05..845dc0fa1d9 100644
--- a/source/_docs/z-wave/device-specific.markdown
+++ b/source/_docs/z-wave/device-specific.markdown
@@ -45,7 +45,13 @@ Turn on "Disco lights":
 $ echo -e -n "\x01\x08\x00\xF2\x51\x01\x01\x05\x01\x50" > /dev/serial/by-id/usb-0658_0200-if00
 ```
 
-If the above two commands give errors about not having that device, you should try replacing the `/dev/serial/by-id/usb-0658_0200-if00` with `/dev/ttyACM0` or `/dev/ttyACM1` (depending on which tty your aeotec stick is addressed to).  
+If the above two commands give errors about not having that device, you should try replacing the `/dev/serial/by-id/usb-0658_0200-if00` with `/dev/ttyACM0` or `/dev/ttyACM1` (depending on which tty your Aeotec stick is addressed to).
+
+On some systems, such as macOS, you need to pipe the output of the `echo` command, rather than redirecting to the serial device, to something like `cu` (replacing `/dev/zstick` acccordingly) to properly set the baud rate to 115200 bps:
+
+```bash
+echo -e -n "...turn on/off string from examples above..." | cu -l /dev/zstick -s 115200
+```
 
 ### {% linkable_title Razberry Board %}