# Sel Mask stops working

**URL:** <https://forum.nomadsculpt.com/t/sel-mask-stops-working/7198>\
**Category:** Bug Report\
**Created:** [June 25, 2022, 11:09pm UTC](https://forum.nomadsculpt.com/t/sel-mask-stops-working/7198 "2022-06-25T23:09:07Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Acosic80](https://avatars.discourse-cdn.com/v4/letter/a/ecd19e/32.png) [@Acosic80](https://forum.nomadsculpt.com/u/Acosic80)\
**Post date:** [June 25, 2022, 11:09pm UTC](https://forum.nomadsculpt.com/t/sel-mask-stops-working/7198/1 "2022-06-25T23:09:07Z")

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Hi,  
I’m not sure why but SelMask stops working randomly. while regular mask will work on same geometry. When I reset the SelMask tool it starts working again. Ver 1.65.  
Is there something that Im doing wrong like too many voxels or something?  
Thanks!