# Scanclass Tags Don't Update

**URL:** <https://forum.inductiveautomation.com/t/scanclass-tags-dont-update/18432>\
**Category:** Ignition\
**Created:** [June 12, 2018, 7:32pm UTC](https://forum.inductiveautomation.com/t/scanclass-tags-dont-update/18432 "2018-06-12T19:32:41Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Jmoller](https://avatars.discourse-cdn.com/v4/letter/j/0ea827/32.png) [@Jmoller](https://forum.inductiveautomation.com/u/Jmoller)\
**Post date:** [June 12, 2018, 7:32pm UTC](https://forum.inductiveautomation.com/t/scanclass-tags-dont-update/18432/1 "2018-06-12T19:32:41Z")

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I’m using the “[System]Gateway/Tags/default/Scanclasses” tags in our project for monitoring performance. It looks like all of the tags update except the “Average Exec Duration MS” tag, its all 0’s. I’m definitely seeing it update on the webpage though. Is this a bug thing?