csm_consumer table preferred language is getting set to en only after changing the value

[Debasis Pati]

In csm_consumer table i ahve a field called preferred language and i have added some choices to that field.
when i selct any value and save a record in the csm_consumer table it's getting set as en .
from where the default value is blank for that field it is an out of box field though.
i checked no brs no ui policy and no client script in csm_consumer table.

@Ankur Bawiskar do you have any idea?

[Ankur Bawiskar]

@Debasis Pati 

so you create new record and it sets preferred language as en automatically?

No business rule, etc you are saying.

Did you check if some flow is running and setting?