What does it change to? Any pattern to when it does it? What tool are you using to set it, what launcher are you using?
Unless we know how your setup is different from everyone who doesn't suffer this it's going to be hard to suggest anything. Though you could try running in safe mode (which disables user-installed apps) and see whether that stops it - if it does then you know it's one of your apps that's responsible.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.