You should copy your alby address (email-like) and put into your profile into LN address field, then it will be done 

 https://m.primal.net/HRMg.png

Yeah, I have done exactly that. It is displayed in my account settings (at least I can see it) 

 Ok now I can zap you! 

 Thank you very much! I will top-up my balance soon so I will be able to do it too