ID 397946 - mari.current.geo().save("geo.obj") saves different OBJ every time it is executed

Problem summary
mari.current.geo().save("geo.obj") saves different OBJ every time it is executed

Customer reported version

4.5v1

Customer reported platform

Steps to reproduce - Reproduced by the development team 

Expected behaviour
It should export the same geometry 

Actual behaviour
It saves different geometry 

Workaround
Unknown

Reproduced by the development team 

Earliest version tested