The coordinates -0,-0,-0

What I expected to happen was...:
when going from 0,y,0 to the north-west (negative X, negative Z) the coordinates change to -1,y-1

What actually happened was...:
the coordinates went to -0,y,-0

Steps to Reproduce:
1. go to 0,y,0

2. move one block diagonally to the north-west

3. press f3 and look at the coordinates