XF 2.1 Disable requirement to type http:// when inputting website url in user profile?

[richie.zimmerman.uf]

XF 2.1 requires users to type http:// when inputting website url in user profile? how do i disable this and just allow say xyz.com versus http://?

 

[richie.zimmerman.uf]

bump

 

[Paul B]

It would require custom development.