# Physics: contact offset multiplier does not work anymore

**URL:** <https://forums.unrealengine.com/t/physics-contact-offset-multiplier-does-not-work-anymore/448582>\
**Category:** World Creation\
**Tags:** unreal-engine, Physics, Collision, bug-report, UE4, question\
**Created:** [May 7, 2019, 10:22pm UTC](https://forums.unrealengine.com/t/physics-contact-offset-multiplier-does-not-work-anymore/448582 "2019-05-07T22:22:33Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![GamesByHyper\_Eric](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/gamesbyhyper_eric/32/709237_2.png) [@GamesByHyper\_Eric](https://forums.unrealengine.com/u/GamesByHyper_Eric)\
**Post date:** [May 7, 2019, 10:22pm UTC](https://forums.unrealengine.com/t/physics-contact-offset-multiplier-does-not-work-anymore/448582/1 "2019-05-07T22:22:33Z")

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Hello,

As reported on the [forum](https://forums.unrealengine.com/development-discussion/content-creation/50364-rolling-ball-jumps-on-flat-surface):

Small collision bumps on a flat surface are the problem here (probably due to vertex overlapping)

It was a known problem and it was fixed with the follow tracking code: UE-16238 and the following option was added to the engine: 4.13:  
project settings → physics section → max contact offset

However, it does not seems to work anymore:

Multiple reports that is does not work anymore from 4.19, 4.20.3 and 4.21.

As from 4.22, confirmed that is does not work and there is no known workaround.

Please fix the issue. In the meantime, do you have a workaround?

Kind regards

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**Author:** ![Jeff\_A](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Jeff\_A](https://forums.unrealengine.com/u/Jeff_A)\
**Post date:** [May 8, 2019, 1:38pm UTC](https://forums.unrealengine.com/t/physics-contact-offset-multiplier-does-not-work-anymore/448582/2 "2019-05-08T13:38:00Z")

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Hello,

We’ve recently made a switch to a new bug reporting method using a more structured form. Please visit the link below for more details and report the issue using the new Bug Submission Form. Feel free to continue to use this thread for community discussion around the issue.

[https://epicsupport.force.com/unrealengine/s/](https://epicsupport.force.com/unrealengine/s/)

Thanks

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**Author:** ![anonymous\_user\_33d428af1](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@anonymous\_user\_33d428af1](https://forums.unrealengine.com/u/anonymous_user_33d428af1)\
**Post date:** [May 8, 2019, 2:01pm UTC](https://forums.unrealengine.com/t/physics-contact-offset-multiplier-does-not-work-anymore/448582/3 "2019-05-08T14:01:47Z")

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Ok thank you for letting me know. I have reported the issue. Hope you guys can help me out. Have a nice day.

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<div class="post-metadata">

**Author:** ![GamesByHyper\_Eric](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/gamesbyhyper_eric/32/709237_2.png) [@GamesByHyper\_Eric](https://forums.unrealengine.com/u/GamesByHyper_Eric)\
**Post date:** [May 13, 2019, 6:45pm UTC](https://forums.unrealengine.com/t/physics-contact-offset-multiplier-does-not-work-anymore/448582/4 "2019-05-13T18:45:32Z")

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For the people that want to track or vote for the issue: [Unreal Engine Issues and Bug Tracker (UE-74451)](https://issues.unrealengine.com/issue/UE-74451)