On my Nokia Lumia 630 why is screen lock turned upside down when using Skype?

[WPCentral Question]

nokia lumia 630 screen lock

Sensibility of proximity sensor is turned upside down when using skype. I'm unable to end call. Same for viber. The upper part it's less sensible than lower part. The end call button part locks screen. Upper ear part does't.

 

[bolot_malih]

Re: nokia lumia 630 screen lock

Yes...same like mine....do you have advice guys ?