# Punchback and gmask

**URL:** <https://forum.logik.tv/t/punchback-and-gmask/2803>\
**Category:** Flame Questions\
**Created:** [April 7, 2021, 11:44am UTC](https://forum.logik.tv/t/punchback-and-gmask/2803 "2021-04-07T11:44:34Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Sinan](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.logik.tv/sinan/32/155_2.png) [@Sinan](https://forum.logik.tv/u/Sinan)\
**Post date:** [April 7, 2021, 11:44am UTC](https://forum.logik.tv/t/punchback-and-gmask/2803/1 "2021-04-07T11:44:34Z")

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Gmask in action doesn’t work on surfaces with punchback/punchback trans as the blending mode. Expected behaviour?