Database design 1 to 1 relationship

Question

I design my database incorrectly, should I fix this while its in development?

"user" table is suppose to have a 1.1 relationship with "userprofile" table

however the actual design the "user" table has a 1.* relationship with "userprofile" table.

Everything works! but should it be fixed anyways?

Answer 1

Do one thing

User Table 
   Userid(p)
   UserName
   othercol..

UserProfile 
   id(p)
   UserId(f) - and unique
   othercol..

hope this way you can easily fix the isse

Answer 2

Make the user_id in the user_profile table unique and its fixed.