Usernode created for the wrong user

I have noticed some weird behavior in 5.x-1.x-dev. When user account is created manually by the admin the usernode gets assigned to the admin and not to the user. Table looks like this:
Full Texts
nid uid
13 0
16 0
17 0
18 0
20 0
8 1
9 2
11 3
12 3
19 7
21 8
23 9
24 10
25 10

As you can see it also creates usernodes for anonymous users.
Thanks.