How to display current langage on top of the langage list in a content type I am using drupal 7.54 and I am a bit in trouble.

I have made a multilingual website based on entity translation. 

I created a custom content type that users can create or edit nodes with. And that content type has a language field.

But in that dropdown field, English shows first in both languages. It confuses french users. 
So I need to make the current language the first on the list of languages. 
As an example I want the list to display like this


Français 
Anglais


when viewing the site in French version. And :


English
French


when viewing the site in English.

Hopefully I explained the problem properly, I'll be very happy to know what to do.

I need help please.
If you edit your content type, you should have a Language settings tab, I guess you have on Default Language "Site's default" and not the current interface language.