# MergeMeshes on loaded glb cause faces to not display correctly

**URL:** <https://forum.babylonjs.com/t/mergemeshes-on-loaded-glb-cause-faces-to-not-display-correctly/33295>\
**Category:** Bugs\
**Created:** [August 23, 2022, 12:18pm UTC](https://forum.babylonjs.com/t/mergemeshes-on-loaded-glb-cause-faces-to-not-display-correctly/33295 "2022-08-23T12:18:38Z")\
**Posts on this page:** 1\
**Showing post:** 6

<div class="post-metadata">

**Author:** ![sebavan](https://sea2.discourse-cdn.com/flex024/user_avatar/forum.babylonjs.com/sebavan/32/57_2.png) [@sebavan](https://forum.babylonjs.com/u/sebavan)\
**Post date:** [August 29, 2022, 7:05pm UTC](https://forum.babylonjs.com/t/mergemeshes-on-loaded-glb-cause-faces-to-not-display-correctly/33295/6 "2022-08-29T19:05:47Z")

</div>

Exactly like it was the case here [Babylon 5.0.2 Mesh.MergeMeshes flips backface of GLB Models - #20 by ecoin](https://forum.babylonjs.com/t/babylon-5-0-2-mesh-mergemeshes-flips-backface-of-glb-models/29043/20)

Unfortunately the override parameters needs to be unset before merging meshes: [https://www.babylonjs-playground.com/#25YP25#12](https://www.babylonjs-playground.com/#25YP25#12)

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