# Asio Guard doesn't work for Master Bus at start

**URL:** <https://forums.steinberg.net/t/asio-guard-doesnt-work-for-master-bus-at-start/139926>\
**Category:** Cubase\
**Tags:** cubase-10, issue\
**Created:** [January 7, 2020, 2:16am UTC](https://forums.steinberg.net/t/asio-guard-doesnt-work-for-master-bus-at-start/139926 "2020-01-07T02:16:29Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Aurosonic](https://dub1.discourse-cdn.com/steinberg/user_avatar/forums.steinberg.net/aurosonic/32/351639_2.png) [@Aurosonic](https://forums.steinberg.net/u/Aurosonic)\
**Post date:** [January 7, 2020, 2:16am UTC](https://forums.steinberg.net/t/asio-guard-doesnt-work-for-master-bus-at-start/139926/1 "2020-01-07T02:16:29Z")

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So, the issue is ASIO Guard doesn’t work for Master Bus channel when creating new project.  
it starts to work only after reopening project.

here’s the video demostrating issue:

[![]( " - YouTube") ](https://www.youtube.com/watch?v=EGJPfXN33YE)